# United States Tax Court

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URL: https://www.frixlaw.com/law-library/documents/agency%3Atax-court%3A0f79793499af0253

## Record

- **Collection:** Agency decision
- **Document type:** Agency decision

## Text

United States Tax Court
REVIEWED
165 T.C. No. 11
APACHE CORPORATION AND SUBSIDIARIES,
Petitioner
v.
COMMISSIONER OF INTERNAL REVENUE,
Respondent
—————
Docket No. 25984-22.

Filed November 13, 2025.
—————

For each of 2016 and 2017, P reported a net
operating loss that consisted in part of a “specified liability
loss” within the meaning of I.R.C. § 172(f)(1). P’s return for
each year included an election under Treas. Reg. § 1.150221(b)(3)(i) to waive the entire carryback period pursuant to
section 172(b)(3) for the consolidated net operating loss of
the consolidated group of which P was the common parent.
P expressly stated that P did not elect under I.R.C.
§ 172(f)(6) to relinquish the carryback period with respect
to the specified liability loss incurred in each year.
P received a tentative refund for each of 2006 and
2007 from the carryback of the specified liability losses it
reported for 2016 and 2017, respectively. R then
determined deficiencies for 2006 and 2007 based on the
disallowance of the carrybacks.
P has moved for partial summary judgment that its
election for each year relinquished the carryback of only
that portion of its net operating loss that exceeded its
reported specified liability loss. R seeks partial summary
judgment that P’s election for each of 2016 and 2017
relinquished the carryback of its entire net operating loss
for the year.

Served 11/13/25

2
Held: P’s election for each year relinquished the
carryback of only that portion of its net operating loss that
exceeded its reported specified liability loss.
Held, further, P’s Motion will be granted; R’s Motion
will be denied.
TORO, J., wrote the opinion of the Court, which
URDA, C.J., and KERRIGAN, NEGA, PUGH, ASHFORD,
COPELAND, JONES, GREAVES, WEILER, WAY,
LANDY, ARBEIT, GUIDER, JENKINS, and FUNG, JJ.,
joined and which BUCH, J., joined as to Part IV.
BUCH, J., wrote a concurring opinion.
HALPERN, J., wrote an opinion concurring in part
and dissenting in part, which MARSHALL, J., joined.
—————
Shawn R. O’Brien and Edward L. Froelich, for petitioner.
Estevan D. Fernandez, Monica D. Polo, Jennifer C. Arthur, Christopher
M. Menczer, Casinova O. Henderson, and Michael A. Sienkiewicz, for
respondent.

OPINION
TORO, Judge: “A ‘net operating loss’ results from deductions in
excess of gross income for a given year.” See United Dominion Indus.,
Inc. v. United States, 532 U.S. 822, 825 (2001) (citing I.R.C. § 172(c)). 1
Section 172 permits taxpayers to carry net operating losses through
time, taking them backward or forward to years for which they can be
deducted. 2 See United Dominion, 532 U.S. at 825. The provision serves
1 Unless otherwise indicated, statutory references are to the Internal Revenue

Code, Title 26 U.S.C. (I.R.C. or Code), in effect at all relevant times, regulation
references are to the Code of Federal Regulations, Title 26 (Treas. Reg.), in effect at all
relevant times, and Rule references are to the Tax Court Rules of Practice and
Procedure.

2 We use the present tense to refer to the law that existed for the years at issue
in this case, 2016 and 2017. In 2017, Congress amended section 172 with the result

3
to smooth a taxpayer’s profits and losses, allowing it “to set off its lean
years against its lush years.” Libson Shops, Inc. v. Koehler, 353 U.S.
382, 386 (1957); accord United Dominion, 532 U.S. at 825.
By default, a net operating loss can be carried back 2 years and
then forward 20 years. I.R.C. § 172(b)(1)(A). Over time, Congress has
defined categories of losses which can be carried back further,
recognizing that certain types of losses “tend to be particularly ‘large
and sporadic.’” United Dominion, 532 U.S. at 825 (quoting Staff of J.
Comm. on Tax’n, 95th Cong., General Explanation of the Revenue Act
of 1978, JCS-7-79, at 232 (J. Comm. Print)). As relevant here, in 1990,
Congress changed the law so that a “specified liability loss” could be
carried back ten years. 3
But Congress did not leave taxpayers without choices.
Section 172 permits taxpayers to elect not to carry back their net
operating losses and instead to carry such losses only forward. The
election is helpful to taxpayers who have tax attributes (such as credits)
that might otherwise expire unused. A taxpayer in that position might
prefer to use expiring credits during the earlier years to which a net
operating loss would otherwise have been carried back and have the loss
available for use in the future.
Petitioner, Apache Corp. & Subs. (Apache), is one such taxpayer.
For 2016 and 2017, it made elections under section 172(b)(3) to waive
the carryback period for its normal net operating losses. That is, it chose
to carry those losses only forward. But it expressed an intent not to
relinquish the ten-year carryback for its specified liability losses.
Now before the Court are Cross-Motions for Partial Summary
Judgment concerning whether Apache was able to restrict its elections
that, under current law, most net operating losses cannot be carried back at all. I.R.C.
§ 172(b)(1) (as amended by the Tax Cuts and Jobs Act, Pub. L. No. 115-97, § 13302(b),
131 Stat. 2054, 2122 (2017)).
3 As the Supreme Court observed in United Dominion, 532 U.S. at 829 n.6:

The difference [between the specified liability losses (SLLs) at issue
here and the product liability losses (PLLs) involved in that case] does
not matter. The PLL was a statutory predecessor to the SLL, and PLLs
were folded into the SLL provision in § 11811(b)(1) of the Omnibus
Budget Reconciliation Act of 1990, [Pub. L. No. 101-508,] 104 Stat.
[1338,] 1388–532. Thus, “[i]n all relevant respects, the provisions on
[PLLs] and SLLs are the same.” Leatherman, Current Developments
for Consolidated Groups, 486 PLI/Tax 389, 393, n. 5 (2000) . . . .

4
to its normal net operating losses. We conclude it was. The text of
section 172, its structure, the context in which it developed, judicial
precedent interpreting it, and even the Government’s past
interpretation of the statute as expressed in regulations all point in
favor of Apache’s position. We will therefore grant Apache’s Motion and
deny the Commissioner’s.
Background
Apache is an oil and gas exploration and production company
organized under Delaware law. When it filed its Petition, Apache’s
principal place of business was in Houston, Texas.
During 2016 and 2017, Apache was the common parent of an
affiliated group. That group filed a consolidated calendar year
Form 1120, U.S. Corporation Income Tax Return, for both years.
I.

2016 Tax Returns

Apache timely filed Form 1120 for the taxable year 2016 on
September 21, 2017, having requested an extension. On October 13,
2017, Apache filed a superseding Form 1120.
On both its initial and superseding Forms 1120 for 2016, Apache
reported a net operating loss of $1,931,356,691. Within that amount,
Apache reported that $40,734,363 qualified as a specified liability loss
within the meaning of section 172(f)(1). The parties have stipulated that
Apache did not claim any of its 2016 specified liability loss as product
liability amounts under section 172(f)(1)(A).
Apache included the following statement on its initial and
superseding Forms 1120 for 2016:
ELECTION TO FOREGO NET OPERATING LOSS
CARRYBACK PURSUANT TO INTERNAL REVENUE
CODE § 172(b)(3) AND TREAS. REG. § 1.1502-21(b)(3)
This is an election under § 1.1502-21(b)(3)(i) to waive the
entire carryback period pursuant to section 172(b)(3) for
the 2016 CNOLs of the consolidated group of which Apache
Corporation (EIN . . . ) is the common parent.
Apache Corporation and Subsidiaries does not elect to
relinquish the carryback period with respect to specified

5
liability losses incurred in this tax year ended
December 31, 2016 pursuant to Internal Revenue Code
§ 172(f)(6).
Ex. 1-J, p. 244; Ex. 2-J, p. 243.
On October 6, 2017—between the filing of its initial and
superseding Forms 1120—Apache filed Form 1139, Corporation
Application for Tentative Refund, seeking to carry its $40,734,363
specified liability loss back ten years to its tax year 2006. As a result,
on Form 1139, it claimed a refund of $13,829,316. Apache received a
tentative refund of that amount in January 2018.
II.

2017 Tax Returns

Apache timely filed Form 1120 for the taxable year 2017 on
October 10, 2018, having requested an extension. On October 15, 2018,
it filed a superseding Form 1120.
On its initial and superseding Forms 1120 for 2017, Apache
reported a net operating loss of $3,082,583,587. Apache claimed that
$30,818,137 of that amount qualified as a specified liability loss. The
parties have stipulated that Apache did not claim any of its specified
liability loss as product liability amounts under section 172(f)(1)(A).
Apache included on its initial and superseding Forms 1120 for
2017 a statement almost identical to its 2016 statement. The statement
elected to waive Apache’s net operating loss carryback period but not
the carryback period with respect to its specified liability loss.
On December 12, 2018, Apache filed Form 1139, seeking to carry
its reported specified liability loss of $30,818,137 back from 2017 to
2007. As a result, it claimed a refund of $10,139,167 for the 2007 taxable
year. Apache received a tentative refund of that amount in March 2019.
III.

Examination and Petition

The Commissioner examined Apache’s 2016 and 2017 returns.
On September 26, 2022, the Commissioner issued to Apache a Notice of

6
Deficiency relating to the taxable years 2006, 2007, and 2015. 4
Form 886–A, Explanation of Items, attached to the Notice stated:

A

It is determined that specified liability losses (SLL) within
the meaning of section 172(f) reported in years 2016 and
2017 and carried back ten years to 2006 and 2007 are
disallowed. The taxpayer elected to forgo the entire
carryback under section 172(b)(3) for both 2016 and 2017
and is not allowed to separately carry back the SLL net
operating losses (NOL).
Ex. 7-J, p. 24.
Apache timely petitioned this Court for redetermination of its
deficiencies. In time, Apache and the Commissioner filed the CrossMotions for Partial Summary Judgment now before the Court. Apache
seeks a ruling that it properly carried back its claimed specified liability
losses to 2006 and 2007. The Commissioner seeks a ruling that Apache’s
elections under section 172(b)(3) relinquished the carryback period for
its claimed specified liability losses as well as the remainder of its net
operating losses, and thus that Apache could not separately carry its
claimed specified liability losses to 2006 and 2007.
Discussion
I.

Summary Judgment Standard

The purpose of summary judgment is to expedite litigation and
avoid costly and unnecessary trials. FPL Grp., Inc. & Subs. v.
Commissioner, 116 T.C. 73, 74 (2001). The Court may grant partial
summary judgment when there is no genuine dispute as to any material
fact and the movant is entitled to judgment as a matter of law.
Rule 121(a)(2); Elec. Arts, Inc. v. Commissioner, 118 T.C. 226, 238
(2002); see also Take v. Commissioner, 82 T.C. 630, 633 (1984)
(explaining that if both parties move for summary judgment or partial
summary judgment, this rule applies to each motion), aff’d, 804 F.2d 553
(9th Cir. 1986). In considering the Motions, the Court construes factual
materials and inferences drawn from them in the light most favorable
to each nonmoving party. Sundstrand Corp. v. Commissioner, 98 T.C.
518, 520 (1992), aff’d, 17 F.3d 965 (7th Cir. 1994).
4 The deficiency determined with respect to taxable year 2015 is not implicated
by the Motions now before us, and we do not discuss it further.

7
II.

Net Operating Loss Carryover Deductions
A.

In General

Section 172(a) allows as a deduction for a taxable year an amount
equal to the aggregate of (1) the net operating loss carryovers to that
year and (2) the net operating loss carrybacks to the year. See Metro
One Telecomms., Inc. v. Commissioner, 704 F.3d 1057, 1059–60 (9th Cir.
2012), aff’g 135 T.C. 573 (2010); Powers v. Commissioner, 43 F.3d 172,
176 (5th Cir. 1995), aff’g in part, rev’g in part, and remanding T.C.
Memo. 1993-125 and 100 T.C. 457 (1993).
Section 172(b) defines net operating loss carryovers and
carrybacks and provides rules for when they may be taken into account.
Section 172(b) consists of three paragraphs.
Section 172(b)(1) sets out the years to which a net operating loss
may be carried. As we have noted, as a general rule, net operating losses
may be carried back 2 years and forward 20. I.R.C. § 172(b)(1)(A).
Special rules exist, however, for specific types of losses. See I.R.C.
§ 172(b)(1)(B)–(F). Farming losses, for example, may be carried back
five years and may not be carried forward. I.R.C. § 172(b)(1)(F).
“Eligible losses” may be carried back three years, I.R.C. § 172(b)(1)(E), 5
and specified liability losses may be carried back ten years, I.R.C.
§ 172(b)(1)(C).
Section 172(b)(2) provides rules for determining the order of years
to which a net operating loss will be carried. To start, the taxpayer
carries the entire amount of a net operating loss to the earliest year to
which it may be carried. I.R.C. § 172(b)(2). If the net operating loss
exceeds taxable income for that year, then the excess of the loss over
taxable income is carried to the following year, and so on until the loss
is entirely consumed or may no longer be carried over. Id.
Section 172(b)(3) permits a taxpayer an election not to carry back
a net operating loss. In relevant part, it provides: “Any taxpayer entitled
to a carryback period under paragraph (1) [i.e., section 172(b)(1),
described above] may elect to relinquish the entire carryback period
with respect to a net operating loss for any taxable year.” I.R.C.
5 Generally speaking, “eligible losses” are losses from theft, fires, storms,
shipwrecks, and other casualties incurred by individuals, as well as net operating
losses attributable to federally declared disasters incurred by small businesses or
farmers. See I.R.C. § 172(b)(1)(E)(ii).

8
§ 172(b)(3). This is the main provision at issue here, but before
analyzing it in greater detail, we pause briefly to discuss specified
liability losses, the category of losses Apache seeks to carry back.
B.

Specified Liability Losses

A specified liability loss belongs to a category of losses subject to
special rules under section 172(b). See I.R.C. § 172(b)(1)(C), (f).
Section 172(f)(1) defines a specified liability loss to include (1) losses
attributable to product liability, I.R.C. § 172(f)(1)(A), as well as
(2) amounts that satisfy a liability under state or federal law relating to
the reclamation of land, the decommissioning of a nuclear power plant,
the dismantlement of a drilling platform, the remediation of
environmental contamination, or payments under a workers
compensation act, subject to certain timing and accounting conditions,
I.R.C. § 172(f)(1)(B). The losses at issue here fall in the second category.
As we have noted, specified liability losses can be carried back for
ten years. I.R.C. § 172(b)(1)(C). But, in addition to the election under
section 172(b)(3) at issue here (relinquishing the entire carryback
period), taxpayers may make another special election regarding the tenyear carryback: “Any taxpayer entitled to a 10-year carryback under
subsection (b)(1)(C) from any loss year may elect to have the carryback
period with respect to such loss year determined without regard to
subsection (b)(1)(C).” I.R.C. § 172(f)(6). That is, although specified
liability losses are, by default, carried back 10 years, a taxpayer may opt
to carry them back 2 years and forward 20, following the general rule
for net operating losses.
Finally, specified liability losses are taken into account under
section 172(b)(2) (sequencing the years to which a loss will be carried)
according to a special rule. Section 172(f)(5) provides that “[f]or
purposes of applying subsection (b)(2), a specified liability loss for any
taxable year shall be treated as a separate net operating loss for such
taxable year to be taken into account after the remaining portion of the
net operating loss for such taxable year.”
III.

Application to Apache’s Carrybacks

The issue before us is whether, under section 172(b)(3), Apache
may relinquish the carryback period for one portion of its net operating
loss (the general portion, which has a two-year carryback period under
section 172(b)(1)(A)), while retaining the carryback period for another
portion of its net operating loss (the portion constituting a specified

9
liability loss, which has a ten-year carryback period under
section 172(b)(1)(C)). Based on the text, structure, and context of the
statute, as well as caselaw, history, and the Government’s own prior
position, we conclude that it may.
A.

Multiple Carryback Periods
1.

Statutory Text, Structure, and Context

“As with any question of statutory interpretation, our analysis
begins with the plain language of the statute.” Jimenez v. Quarterman,
555 U.S. 113, 118 (2009) (citing Lamie v. U.S. Tr., 540 U.S. 526, 534
(2004)); see also Universal Seismic Assocs., Inc. v. Harris Cnty. (In re
Universal Seismic Assocs., Inc.), 288 F.3d 205, 207 (5th Cir. 2002) (“[I]n
any case of statutory interpretation, we look to the plain language of the
statute, reading it as a whole and mindful of the linguistic choices made
by Congress.” (quoting Whatley v. Resol. Tr. Corp., 32 F.3d 905, 909 (5th
Cir. 1994))).
a.

Section 172(b)(3)

As we have already noted, section 172(b)(3) provides, in relevant
part, as follows: “Any taxpayer entitled to a carryback period under
paragraph (1) may elect to relinquish the entire carryback period with
respect to a net operating loss for any taxable year.” The text of the
provision identifies first who may make an election—“Any taxpayer
entitled to a carryback period under paragraph (1)”—and then what the
election permits the taxpayer to do—“to relinquish the entire carryback
period.” I.R.C. § 172(b)(3). It is constructed such that “the entire
carryback period” refers back to “a carryback period under
paragraph (1)” to which the taxpayer is entitled.
b.

Section 172(b)(1)

We turn, therefore, to section 172(b)(1) to determine what
carryback period or periods it provides to taxpayers. The Dictionary Act
makes clear that “words importing the singular include and apply to
several persons, parties, or things” unless context indicates otherwise.
1 U.S.C. § 1; see also Niz-Chavez v. Garland, 593 U.S. 155, 164–65 (2021)
(“Suppose a statute made it a crime to vandalize ‘a’ bank. Under the
Dictionary Act, someone who vandalizes five banks could not avoid
prosecution on the ground that he vandalized more than one.”). Thus,
the reference to “a carryback period” in section 172(b)(3) would be

10
consistent with multiple carryback periods if section 172(b)(1) provides
for such periods, which as we will see in a moment it does.
Section 172(b)(1) is titled “Years to which loss may be carried,”
and it sets out carrybacks of varying lengths for different portions of a
net operating loss. As we have discussed, under the general rule in
section 172(b)(1) a net operating loss may be carried back for two years.
I.R.C. § 172(b)(1)(A)(i) (providing that a net operating loss “shall be a
net operating loss carryback to each of the 2 taxable years preceding the
taxable year of such loss”). There is no carryback for a so-called REIT
year. I.R.C. § 172(b)(1)(B)(i). In addition, the carryback is ten years for
specified liability losses, I.R.C. § 172(b)(1)(C), variable for excess
interest losses, I.R.C. § 172(b)(1)(D), three years for eligible losses, I.R.C.
§ 172(b)(1)(E), and five years for farming losses, I.R.C. § 172(b)(1)(F).
By our count, paragraph (1) of section 172(b) establishes at least
six potential carrybacks of different lengths. The same taxpayer could
be entitled to several of these in the same year. This fact strongly
suggests that paragraph (1) establishes distinct “carryback periods”—
i.e., multiple carryback periods—for purposes of the election in
section 172(b)(3).
Of course, paragraph (1) refers to “carryback[s]” rather than
“carryback periods” and the term “carryback period” is not defined by
the Code. But the term’s ordinary meaning confirms that paragraph (1)
establishes distinct carryback periods.
When the statute does not define a term, “we ask what that term’s
‘ordinary, contemporary, common meaning’ was when Congress enacted
[the relevant provision].” Food Mktg. Inst. v. Argus Leader Media, 588
U.S. 427, 433–34 (2019) (quoting Perrin v. United States, 444 U.S. 37,
42 (1979)); see also Dynamo Holdings Ltd. P’ship. v. Commissioner, 150
T.C. 224, 234 (2018) (reviewed).
A period is a division of time. See Period, Merriam Webster’s
Collegiate Dictionary (10th ed. 1993) (“a chronological division”); Period,
Black’s Law Dictionary (6th ed. 1990) (“Any point, space, or division of
time.”); Period, The Random House Dictionary of the English Language
(2d ed. 1987) (“any specified division or portion of time”); Period, The
American Heritage Dictionary of the English Language (1st ed. 1969)
(“1. An interval of time characterized by the occurrence of certain
conditions or events.”). And a carryback is a loss amount that can be
deducted for prior years. See Carry-back, Black’s Law Dictionary (6th

11
ed. 1990) (“A provision in the tax law which allows a taxpayer to apply
a net operating loss in one year to the three immediately preceding tax
years, beginning with the earliest year.”); Carryback, The Random
House Dictionary of the English Language (2d ed. 1987) (“(in U.S.
income-tax law) a special provision allowing part of a net operating loss
or of an unused credit in a given year to be apportioned over one or two
preceding years, chiefly in order to ease the tax burden”); cf. Carryover,
Merriam Webster’s Collegiate Dictionary (10th ed. 1993) (“something
retained or carried over”); Carryover, The American Heritage Dictionary
of the English Language (1st ed. 1969) (“1. A part or quantity, as of
goods or commodities, left over or held for future use. 2. Accounting. A
sum transferred to a new column, page, book, or account.”). A carryback
period, then, is a division of time to which a loss amount can be carried
back. 6
Given this definition, the ordinary meaning of the term
“carryback period” corresponds precisely with the content of
section 172(b)(1). Each of the subparagraphs of section 172(b)(1)
discussed above sets out a different division of time (whether two, three,
five, or ten years) in which a loss amount may be carried back.
Therefore, each of these divisions of time constitutes a distinct carryback
period to which a taxpayer is “entitled . . . under paragraph (1)” within
the meaning of section 172(b)(3).
c.

Section 172(f)(5)

The structure of section 172—especially section 172(f)(5) and
analogous provisions—supports this reading as well. A taxpayer has
only one net operating loss for each year, and section 172(b)(2), which
sequences the years to which a loss is carried, provides a rule that
applies to “[t]he entire amount” of that net operating loss. For a portion
of a net operating loss to be carried back separately under
section 172(b)(2), therefore, a special rule is required. Section 172(f)(5)
provides that rule for specified liability losses: “For purposes of applying
subsection (b)(2), a specified liability loss for any taxable year shall be
treated as a separate net operating loss for such taxable year . . . .”
6 The meanings of these terms have not changed since the precursor to
section 172(b)(3) was enacted. See Period, Black’s Law Dictionary (5th ed. 1979);
Period, The Random House College Dictionary (1980) (“any specified division or portion
of time”); Carry-back, Black’s Law Dictionary (5th ed. 1979) (“Provision in tax law
which permits taxpayer to apply net operating loss in one year to recomputation of tax
of several preceding taxable years.”); Carryover, The Random House College Dictionary
(1980) (“that which is carried over, as to a later time, account, etc.”).

12
(Emphasis added.) Analogous provisions exist for eligible losses and
farming losses. I.R.C. § 172(b)(1)(E)(iv), (h)(2).
d.

Additional Context

By contrast, no rule similar to that of section 172(f)(5) is required
for section 172(b)(3), because the latter provision, together with
section 172(b)(1), already contemplates multiple carryback periods
working in tandem. Additionally, given that section 172(f)(5) and
similar rules signal that portions of net operating losses are meant to be
treated separately from the rest of the net operating loss—i.e., given
that under those provisions and under section 172(b)(1) the losses are
treated as separate losses and carried back for a different number of
years—it is logical that those portions would have separate carryback
periods as well.
This analysis suffices to conclude that a taxpayer may be entitled
to multiple carryback periods under section 172(b)(1) and thus for
purposes of section 172(b)(3). 7 But there is more.
2.

Judicial Interpretations of Section 172

Perhaps unsurprisingly given the discussion above, two decisions
from the courts of appeals, and one from this Court, confirm that
section 172(b)(1) sets out different carryback periods for different types
of losses. In NextEra Energy, Inc. v. United States, 893 F.3d 1353, 1356
(11th Cir. 2018), the U.S. Court of Appeals for the Eleventh Circuit
wrote that “certain types of net operating losses are allowed a longer
carryback period.” Continuing, it noted that “[a]t all times relevant to
this case, Section 172(f) of the tax code provided for one of the extended
carryback periods. This section defined a ‘specified liability loss,’ which
had a carryback period of ten years.” Id. (footnote omitted) (citing I.R.C.
§ 172(b)(1)(C), (f)).

7 Plumb v. Commissioner, 97 T.C. 632 (1991), supports this reading. In Plumb,
we determined that a taxpayer could not relinquish the carryback period for his
regular net operating loss while maintaining the carryback period for his alternative
minimum tax net operating loss. To arrive at that conclusion, we reasoned that “[t]he
statute deals with but a single carryback period of 3 years. An effective election under
section 172(b)(3)(C) must of necessity relate to that carryback period, and would
preclude any carryback whether it be the regular NOL or the alternative minimum tax
NOL.” Plumb, 97 T.C. at 638. What we face here is not the single carryback period
present in Plumb, but multiple carryback periods. Thus, the reasoning in Plumb
favors the conclusion we reach.

13
The U.S. Court of Appeals for the Tenth Circuit likewise has
pointed out that “[t]he tax code permits a longer carryback period for a
special category of losses, so-called ‘specified liability losses.’” Barrick
Res. (USA) Inc. v. United States, 529 F.3d 1252, 1254 (10th Cir. 2008).
“Unlike ordinary net operating losses, [specified liability] losses have a
ten-year carryback period.” Id. at 1258.
We ourselves have stated, in a case regarding bad debt losses
under prior law, that different losses can have different carryback
periods:
[G]enerally, the carryback period for a NOL is 3 years and
the carryover period is 15 years.[8] Section 172(b)(1)(L)
provides a special rule with respect to the bad debt losses
of commercial banks: The portion of the NOL of a
commercial bank that is attributable to bad debt losses is
prescribed a carryback period of 10 years and carryover
period of 5 years.
Norwest Corp. v. Commissioner, 111 T.C. 105, 164 (1998). Each of these
decisions strongly supports the view that section 172(b)(1) sets out
different carryback periods for different types of losses.
Of course, NextEra Energy, Barrick Resources, and Norwest did
not address head-on the question of whether different carryback periods
can be relinquished independently under section 172(b)(3). But they
reflect the considered judgment of those courts as to how the text of
section 172 operates; that is, they confirm that section 172(b)(1) sets out
different carryback periods for different types of losses. And they
therefore inform the proper interpretation of section 172(b)(3). We see
no reason for ignoring or rejecting the views of two courts of appeals and
our precedent in pursuit of some other interpretation.
3.

Legislative History

Finally, “[f]or those who consider legislative history relevant,”
Warger v. Shauers, 574 U.S. 40, 48 (2014), this reading of the statute is
supported by statements that were made in connection with the 1997
amendments to section 172. Those amendments (1) lengthened the
default carryforward period from 15 years to 20 years, (2) shortened the
default carryback period from 3 years to 2 years, and (3) nevertheless
8 These were the applicable periods before Congress amended the statute in
1997 to change the carryback period to 2 years and the carryover period to 20 years.

14
provided 3 years for certain portions of net operating losses related to
casualty losses. See Taxpayer Relief Act of 1997, Pub. L. No. 105-34,
§ 1082, 111 Stat. 788, 950.
The relevant congressional reports explained that the carryback
provisions were intended to address typical business cycles, but that
“allowing a two-year carryback of NOLs is sufficient to account for these
business cycles,” in part because “certain deductions . . . are granted
special, longer carryback periods under present law (which are retained
by the bill).” S. Rep. No. 105-33, at 184 (1997), reprinted in 1997-4 C.B.
(Vol. 2) 1067, 1264 (emphasis added). And it further explained: “The bill
does not apply to NOLs arising from casualty losses of individual
taxpayers.” Id.; see also H.R. Rep. No. 105-148, at 498–99 (1997),
as reprinted in 1997 U.S.C.C.A.N. 678, 892–93 (providing similarly);
Staff of J. Comm. on Tax’n, 105th Cong., General Explanation of Tax
Legislation Enacted in 1997, JCS-23-97, at 268 (J. Comm. Print 1997)
(“The Act does not apply to the carryback rules relating to REITs,
specified liability losses, excess interest losses, and corporate capital
losses.”); H.R. Rep. No. 105-220, at 585 (1997) (Conf. Rep.), reprinted in
1997-4 C.B. (Vol. 2) 1457, 2055 (“In addition, the Senate amendment
preserves the 3-year carryback for NOLs of farmers and small
businesses attributable to losses incurred in Presidentially declared
disaster areas. . . . The conference agreement follows the Senate
amendment.”).
These statements are consistent with the understanding that
there can be different carryback periods for a year, that they operate
independently of each other, and that taxpayers were expected to be able
to continue to avail themselves of the special extended carryback periods
in section 172(b)(1), even as the default shifted toward carryforwards.
B.

Relinquishing Individual Carryback Periods

Having concluded that section 172(b)(1) sets out distinct
carryback periods for different kinds of losses, and thus that a taxpayer
may be entitled to multiple carryback periods under section 172(b)(1) for
the same year, we now explain why it follows that section 172(b)(3)
permits the taxpayer to relinquish those carryback periods individually,
as Apache did here.
1.

Text of Section 172(b)(3)

Section 172(b)(3) allows a taxpayer to “relinquish the entire
carryback period with respect to a net operating loss for any taxable

15
year.” As discussed in Part III.A above, “the entire carryback period”
refers to “a carryback period under paragraph (1)” to which the
applicable taxpayer is entitled. I.R.C. § 172(b)(3); see also MCR Oil
Tools, L.L.C. v. U.S. Dep’t of Transp., 110 F.4th 677, 692 (5th Cir. 2024)
(“‘The,’ by . . . contrast [to ‘a’], ‘indicat[es] that a following noun or noun
equivalent is definite or has been previously specified by context.”
(quoting Nielson v. Preap, 586 U.S. 392, 408 (2019))). Thus, “the entire
carryback period” that may be relinquished under section 172(b)(3) is
the carryback period to which the taxpayer is entitled under
section 172(b)(1).
When a taxpayer is entitled to multiple carryback periods under
section 172(b)(1), section 172(b)(3) applies to each individual period,
such that the taxpayer may elect to retain or relinquish the period
independent of the others. 9 See Niz-Chavez, 593 U.S. at 164 (“[A] statute
using the singular ‘a’ can apply to multiple persons, parties, or things.”);
Commissioner v. Kelley, 293 F.2d 904, 912 (5th Cir. 1961) (“The
indefinite article ‘a’ says in plain language that there may be two or
more substantial parts.”), aff’g 32 T.C. 135 (1959).
Reading section 172(b)(3) as providing a taxpayer with an all or
nothing election—relinquish each and every one of the periods set out in
section 172(b)(1) or be stuck with all of them—makes little sense given
the number of different carryback periods set out in section 172(b)(1). It
also makes little sense in view of Congress’s going out of its way to give
taxpayers additional choices when it comes to specified liability losses,
see I.R.C. § 172(f)(6), eligible losses, see I.R.C. § 172(b)(1)(E)(iv), and
farming losses, see I.R.C. § 172(h)(2). 10 The Government itself
recognized as much when interpreting a prior version of the statute.
An interpretation requiring collective relinquishment would make little
sense. Consider the following example of a rule with similar wording:
9

Any employee entitled to a day of sick leave under paragraph (1) may
elect to donate the entire day of sick leave with respect to any
employment year to another employee.
There is no reason to read this rule to require an employee to donate either all of his
or her days of sick leave together or none at all. Rather, the best reading of the text is
that the employee may decide to donate each day individually, so that the employee
can donate no sick leave or one or more days of sick leave at his or her option. But the
employee may not donate just some hours of leave from a particular day.
10 The Court’s reasoning in Plumb also cuts in favor of Apache here. In Plumb,
97 T.C. at 638, only one carryback period existed for the taxpayer to relinquish, and

16
2.

The Government’s Own Interpretation

The Secretary read paragraphs (1) and (3) of section 172(b) to
permit an election with respect to losses with one carryback period and
not others when promulgating Treasury Regulation § 1.172-13. That
regulation was promulgated before Congress adopted the 1990
amendments to section 172. See United Dominion, 532 U.S. at 829 n.6
(discussing amendments). The regulation was finalized in 1986. T.D.
8096, 1986-2 C.B. 39, 51 Fed. Reg. 30,481 (Aug. 27, 1986). It addresses
product liability losses, a category that was later made part of a
taxpayer’s specified liability loss by section 172(f)(1)(A). See United
Dominion, 532 U.S. at 829 n.6. With respect to the section 172(b)(3)
election (which, in 1986, was housed in section 172(b)(3)(C)), the
regulation provides:
If a taxpayer sustains during the taxable year both a net
operating loss not attributable to product liability and a
product liability loss . . . , an election pursuant to
section 172(b)(3)(C) (relating to election to relinquish the
entire carryback period) does not preclude the product
liability loss from being carried back 10 years . . . .
Treas. Reg. § 1.172-13(c)(4). 11 That regulation has not been rescinded.
If Apache had claimed a specified liability loss under section 172(f)(1)(A)
thus his election relinquished the whole carryback period for both regular taxes and
the alternative minimum tax. But nothing in the Court’s reasoning in Plumb requires
that only one carryback period can exist, or that the text of section 172(b)(3) requires
that all carryback periods be relinquished together. Instead, Plumb is perfectly
consistent with the possibility of multiple carryback periods and elections with respect
to each.
11 The regulation was adopted in response to a comment that posed precisely
the question now before the Court: “If a taxpayer has both a net operating loss
carryback and a product liability loss carryback, and elects to forego the carryback of
the net operating loss pursuant to section 172(b)(3)(C), the question is whether the
product liability loss can still be carried back ten years under section 172(b)(1)(I).”
Pet’r’s Mot. for Partial Summ. J. Ex. B (Doc. 36) (Letter from R. Brown, Peat, Marwick,
Mitchell & Co. to the Internal Revenue Service (Aug. 12, 1983)). The commenter
answered the question in the affirmative. See id. (“We believe the answer should be
yes.”).

The Treasury Department and the IRS agreed:
Another commentator suggested that the final regulations be
clarified with respect to the interaction of the election under
section 172(b)(3)(C) (relating to election to relinquish the entire

17
instead of section 172(f)(1)(B), the Commissioner would be bound to
permit Apache’s carryback.
Moreover, there is no meaningful principle by which to justify
treating product liability losses under section 172(f)(1)(A) differently, for
purposes of the carryback period election, from other specified liability
losses under section 172(f)(1)(B). Congress joined both categories
together in 1990, and their carryback periods are provided by the same
subparagraph of section 172(b)(1). “Thus, in all relevant respects, the
provisions on PLLs and SLLs are the same.” United Dominion, 532 U.S.
at 829 n.6 (cleaned up).
3.

Additional Considerations

In addition, courts assume that Congress was aware of the
product liability loss regulation when it adopted the specified liability
loss concept in 1990. See Bragdon v. Abbott, 524 U.S. 624, 645 (1998);
see also Antonin Scalia & Brian A. Garner, Reading Law: The
Interpretation of Legal Texts 322–26 (2012) (discussing the priorconstruction canon). As we have already noted, the regulation
applicable to product liability losses was finalized in 1986. Four years
later, Congress folded product liability losses into specified liability
losses, expanding the category of losses eligible for the ten-year
carryback period. While the presence of the regulation may not be
sufficient to invoke a strong form of the prior-construction or ratification
canon, it certainly appears that, when Congress amended section 172, it
made no effort to reject the administrative interpretation of the text that
became section 172(b)(3).
Nor are we aware of any policy reason indicating that Congress
wished to tie the hands of taxpayers who had multiple carryback periods
under section 172(b)(1). By adopting the predecessor of section 172(b)(3)
in the first instance, Congress demonstrated that it was sensitive to
taxpayers facing a retroactive loss of favorable tax attributes because of
future losses and wished to ameliorate their position.
The
carryback period) and the election under section 172(j)(3) (relating to
election to forgo 10-year product liability loss carryback period). The
final regulations are clarified by providing in § 1.172-13(c)(4) that the
election pursuant to section 172(b)(3)(C) does not preclude a product
liability loss from being carried back 10 years.
Preamble, T.D. 8096, 1986-2 C.B. at 39, 51 Fed. Reg. at 30,481. The “election under
section 172(j)(3)” referenced in the preamble was similar to the election now provided
by section 172(f)(6), discussed above.

18
Commissioner offers no valid reason why Congress would be stingy in
its solution and make the election all or nothing, regardless of how many
carryback periods a taxpayer had under section 172(b)(1).
As far as we can tell, the best the Commissioner can come up with
is a claim of administrative inconvenience. In the Commissioner’s
telling, it would be challenging to track which carryback periods a
taxpayer has relinquished and which it has retained. The argument
does not persuade. Section 172(b)(1) is clear in the carryback periods it
establishes. And a taxpayer who wishes to relinquish one or more
specific periods must do so clearly (for example, by expressly crossreferencing the subparagraph under section 172(b)(1) that it wishes to
relinquish). If the taxpayer makes no specific reference to one or more
specific carryback periods in its election, the Commissioner would be
entitled to treat the election as applying to all of the carryback periods
to which the taxpayer is otherwise entitled.
In any event, the Commissioner already needs to track separately
whether a taxpayer has retained its original carryback period for
specified liability losses or has given that period up in favor of the
general carryback rule. Continuing to track similar choices under
section 172(b)(3) would not appear to present any undue administrative
hardship.
C.

Application

In view of the foregoing, we conclude that Apache was permitted
to elect to relinquish the two-year carryback period for its standard net
operating loss without waiving the ten-year carryback for its specified
liability loss. Accordingly, the relief it seeks in its Motion must be
granted.
IV.

Tiebreaking Principle

To our mind, the foregoing analysis compels us to grant Apache’s
Motion. Even if the interpretative question before us is viewed as a close
call, however, longstanding precedent would instruct us to construe the
relevant provisions against the Commissioner. See, e.g., Gould v. Gould,
245 U.S. 151, 153 (1917) (“In case of doubt [statutes levying taxes] are
construed most strongly against the government, and in favor of the
citizen.”); United States v. Merriam, 263 U.S. 179, 187–88 (1923)
(applying the principle set out in Gould and noting with approval that
under English law “if the crown, seeking to recover the tax, cannot bring
the subject within the letter of the law, the subject is free, however

19
apparently within the spirit of the law the case might otherwise appear
to be” (quoting Partington v. Att’y Gen., L.R. 4 H.L. 100, 122 (1869))); see
also, e.g., Security Bank Minn. v. Commissioner, 994 F.2d 432, 436 (8th
Cir. 1993) (interpreting complex interrelated statutory provisions and
observing that “when there is a reasonable doubt about the meaning of
a revenue statute, the doubt is resolved in favor of those taxed”), aff’g 98
T.C. 33 (1992); Leavell v. Blades, 141 S.W. 893, 894 (Mo. 1911) (“When
the tax gatherer puts his finger on the citizen, he must also put his finger
on the law permitting it”).
At least one current member of the Supreme Court has applied
this principle to the very statutory provision now before the Court. See
United Dominion, 532 U.S. at 839 (Thomas, J., concurring) (“At a bare
minimum, in cases such as this one, in which the complex statutory and
regulatory scheme lends itself to any number of interpretations, we
should be inclined to rely on the traditional canon that construes
revenue-raising laws against their drafter.”). To the extent this case
presents a close question of interpretation, section 172 should be
construed in favor of Apache.
V.

A Brief Response to the Dissent

The opinion concurring in part and dissenting in part (for
convenience, dissent) appears to premise its conclusion in significant
part on the fact that “[i]n 1976, when Congress enacted the carryback
waiver rule that now appears in section 173(b)(3), an election under that
rule was necessarily an all-or-nothing matter.” See Halpern dissenting
op. p. 25. And, in the dissent’s view, “Congress has given no indication
that the rule that started out all-or-nothing has not remained all-ornothing.” See Halpern dissenting op. p. 25.
We do not share the dissent’s view of how the statute as it existed
in 1976 worked. But, in any event, as the Supreme Court has said, “[t]he
starting point in discerning congressional intent is the existing
statutory text, . . . and not the predecessor statutes.” Lamie, 540 U.S.
at 534 (emphasis added). We recently recognized the same point, see
United Therapeutics Corp. v. Commissioner, 160 T.C. 491, 507 (2023)
(noting that predecessor statutes may not be used to create ambiguity),
and were affirmed by the U.S. Court of Appeals for the Fourth Circuit,
United Therapeutics Corp. v. Commissioner, 105 F.4th 183, 189 (4th Cir.
2024) (“Predecessor statutes, in other words, may not be used to
manufacture ambiguity.”).

20
The years before us in this case are 2016 and 2017. The relevant
provisions—section 172(b)(1), (2), and (3), as well as section 172(f)—
were all amended after 1976 and before 2016, including a full
reenactment of section 172(b) and (f) in 1990. Omnibus Budget
Reconciliation Act of 1990 § 11811, 104 Stat. at 1388–530. Thus, while
the text of the statute in 1976 offers historical context, it is not our focus.
And, as we have explained, our own Court, courts of appeals,
Congressional committees, and even the Government itself have read
the post-1976 statutory provisions as we do.
The dissent also misreads section 172(f)(6).
As we have
explained, exemplifying Congress’s solicitude for taxpayers who
experience specified liability losses, that provision gives such taxpayers
the choice to elect to waive the ten-year carryback under
section 172(b)(1)(C). But the election does not eliminate the other
carryback periods listed in section 172(b)(1) that might be available to
those taxpayers. And whatever inference might arise from the text of
section 172(f)(6) does not suffice to overcome the other textual indicators
we have discussed, especially when, as the dissent seems to
acknowledge, the reference to “any loss year” included there served
largely as an effective date provision. See Revenue Act of 1978, Pub. L.
No. 95-600, § 371(a)(1), 92 Stat. 2763, 2859 (defining the term “loss year”
as “a taxable year beginning after September 30, 1979”).
VI.

Conclusion

Section 172(b)(1)(C) provides a separate carryback period for
specified liability losses. And section 172(b)(3) permits a taxpayer to
relinquish “a carryback period” to which it is entitled, without specifying
that all carryback periods for a given year must be relinquished
together. Apache therefore was able to relinquish its normal net
operating loss carryback period while retaining the ten-year carryback
period for its specified liability loss. We will therefore grant Apache’s
Motion and deny the Commissioner’s.
To reflect the foregoing,
An appropriate order will be issued.
Reviewed by the Court.
URDA, C.J., and KERRIGAN, NEGA, PUGH, ASHFORD,
COPELAND, JONES, GREAVES, WEILER, WAY, LANDY, ARBEIT,

21
GUIDER, JENKINS, and FUNG, JJ., agree with this opinion of the
Court and BUCH, J., agrees with Part IV.
part.

MARSHALL and HALPERN, JJ., concur in part and dissent in

22
BUCH, J., concurring: We are confronted with a question of
statutory interpretation with no clear answer. Congress wrote that a
taxpayer “may elect to relinquish the entire carryback period with
respect to a net operating loss for any taxable year.” I.R.C. § 172(b)(3).
And we are attempting to determine what Congress meant by its use of
the indefinite article “a.” Did it choose to refer to “a net operating loss”
because there is only one net operating loss? If so, why did Congress
choose an indefinite article instead of the definite article “the?” Or did it
choose to refer to “a net operating loss” because the election to relinquish
the carryback is made separately with respect to any one of several
subtypes of net operating losses? The opinion of the Court and the
dissent do an admirable job of wading through the evolution of the
statute, the legislative history (for those who consider it to be relevant),
and the various semantic canons. And their conflicting answers are
equally plausible.
Where there is doubt as to the meaning of a taxing statute, we
have over a century of precedent that tells us how to resolve that doubt:
Taxing statutes are to be construed against the sovereign. Before there
was an income tax, courts were called upon to decide the scope of tariffs.
When effective dates were unclear, they were resolved against the
government. See, e.g., United States v. Wigglesworth, 28 F. Cas. 595, 597
(C.C.D. Mass. 1842) (No. 16,690) (“In every case, therefore, of doubt,
such statutes are construed most strongly against the government, and
in favor of the subjects or citizens, because burdens are not to be
imposed, nor presumed to be imposed, beyond what the statutes
expressly and clearly import.”) When it was unclear whether a
particular product fell within the definition of goods subject to a higher
or lower tariff, that doubt was resolved in favor of the importer. See, e.g.,
Am. Net & Twine Co. v. Worthington, 141 U.S. 468, 474 (1891) (“[W]e
should still feel obliged to resolve that doubt in favor of the importer,
since the intention of congress to impose a higher duty should be
expressed in clear and unambiguous language.”). When income taxes
came into effect, this principle remained the same when deciding what
fell within the definition of income. See, e.g., Gould v. Gould, 245 U.S.
151, 153 (1917) (“In the interpretation of statutes levying taxes it is the
established rule not to extend their provisions, by implication, beyond
the clear import of the language used, or to enlarge their operations so
as to embrace matters not specifically pointed out. In case of doubt they
are construed most strongly against the Government, and in favor of the
citizen.”).

23
The opinion of the Court and the dissent offer equally plausible
interpretations. “At a bare minimum, in cases such as this one, in which
the complex statutory and regulatory scheme lends itself to any number
of interpretations, we should be inclined to rely on the traditional canon
that construes revenue-raising laws against their drafter.” United
Dominion Indus., Inc. v. United States, 532 U.S. 822, 839 (2001)
(Thomas, J., concurring). For that reason, I join Part IV of the opinion
of the Court.

24
HALPERN, J., with whom MARSHALL, J., joins, concurring in
part and dissenting in part: I agree with the majority that the
Commissioner’s Motion for Partial Summary Judgment should be
denied. The Commissioner seeks a ruling that Apache relinquished the
carryback of its entire net operating loss (NOL) for each of 2016 and
2017. The election statements included with Apache’s returns for those
years, however, show that Apache intended to relinquish the carryback
of only part of its NOL for each year. Those statements cannot have
effected valid elections to relinquish the carryback of Apache’s NOLs
altogether. They were either valid elections to relinquish only part of
Apache’s NOL for each year—as Apache intended and the majority
holds—or they were invalid because Apache manifestly attempted to
make elections the law does not allow. See Plumb v. Commissioner, 97
T.C. 632, 640 (1991) (“[A] taxpayer who attempts to make an election
that is not legally available to him will be treated as having made no
election . . . .”); see also GWA, LLC v. Commissioner, T.C. Memo. 202534 (following Plumb). Either way, the Commissioner’s Motion should be
denied.
I disagree, however, with the majority’s disposition of Apache’s
Motion for Partial Summary Judgment. That Motion seeks a ruling that
Apache validly elected to relinquish the carryback of only part of its
NOL for each of 2016 and 2017. The election allowed by section
172(b)(3), as I read that provision, necessarily relinquishes the
carryback of the electing taxpayer’s entire NOL. Section 172(b)(3)
provides: “Any taxpayer entitled to a carryback period under [section
172(b)(1)] may elect to relinquish the entire carryback period with
respect to a net operating loss for any taxable year.” Because any NOL
has only one carryback period, an election under section 172(b)(3)
necessarily relinquishes the carryback of the taxpayer’s entire NOL.
Even if I were persuaded that a single NOL could have multiple
carryback periods, I would still read section 172(b)(3) to say that a
taxpayer entitled to one or more carryback periods can elect to
relinquish the carryback period or periods to which the taxpayer is
entitled.
Because Apache attempted to make an election legally
unavailable to it, its election was invalid. Apache’s Motion should also
be denied.

25
I.

An NOL Has Only One Carryback Period.

In 1976, when Congress enacted the carryback waiver rule that
now appears in section 172(b)(3), an election under that rule was
necessarily an all-or-nothing matter. As Apache acknowledges, at that
time “a single taxpayer was not entitled to more than one carryback
period with respect to any one NOL.” Different taxpayers could carry
their losses back for different periods, but any given taxpayer’s NOL had
to be carried back a specified number of years. 1 That explains
Congress’s repeated use of the singular term “carryback period” in the
text of the waiver rule. Under the rule as initially enacted, a taxpayer
who elected to waive its carryback relinquished the carryback of its
entire NOL. While some aspects of the law have changed since 1976,
Congress has given no indication that the rule that started out all-ornothing has not remained all-or-nothing.
The possibility that portions of a single NOL could be carried back
to different years arose for the first time with the Revenue Act of 1978
(1978 Act), Pub. L. No. 95-600, 92 Stat. 2763. As part of that legislation,
Congress provided special rules for losses attributable to product
liability claims. As amended by the 1978 Act, section 172 allowed
“product liability losses” (PLLs) to be carried back ten years rather than
the usual three. 2
Once different portions of a single NOL could be carried back to
different years, did that NOL have different carryback periods?
Certainly, Congress did not say so explicitly. In fact, the predecessor to
section 172(f)(6), enacted in 1978, indicates that, after 1978, a single
NOL continued to have just one carryback period—even if different
portions of that NOL could be carried back to different years. 3
When Congress enacted the PLL rules, it allowed a taxpayer with
a PLL to waive the special ten-year carryback. Section 172(i)(3), as
enacted in 1978, provided: “Any taxpayer entitled to a 10-year
1 The majority does “not share” my view (and Apache’s) “of how the statute as
it existed in 1976 worked.” Op. Ct. p. 19. But the majority offers no explanation of
how its view differs from mine and Apache’s.
2 As the majority observes, in 1997 Congress revised the default rule so that

portions of an NOL not covered by a special rule could be carried back only two years.

3 The majority claims that I have “misread[] section 172(f)(6),” Op. Ct. p. 20,
but (again) offers no explanation of why, in its view, my reading of the provision is
incorrect.

26
carryback under subsection (b)(1)(H) from any loss year may elect to
have the carryback period with respect to such loss year determined
without regard to subsection (b)(1)(H).” 1978 Act § 371(b), 92 Stat.
at 2859 (emphasis added). (Section 172(b)(1)(H), the predecessor of
section 172(b)(1)(C), defined the term “loss year” to mean “a taxable year
beginning after September 30, 1979.” 1978 Act § 371(a), 92 Stat. at
2859. For present purposes, all these years later, we can treat “loss
year” as synonymous with “taxable year.”) Section 172(f)(6), as in effect
for the years in issue, provides the same waiver rule for taxpayers like
Apache with a specified liability loss (SLL), allowing them to elect to
“have the carryback period [for the] loss year determined without regard
to [section 172(b)(1)(C)].” If a taxpayer with a PLL that was part of a
larger NOL had two carryback periods (a ten-year period applicable to
the PLL and a three-year period applicable to the rest of the NOL),
Congress would have allowed the taxpayer to elect to have the carryback
period with respect to the PLL determined without regard to the ten-year
carryback rule. But that is not what section 172(i)(3) said (or what
section 172(f)(6) says). Instead, a taxpayer with a PLL or an SLL that
was part of a larger NOL could elect to have the carryback period with
respect to the taxable year determined without regard to the ten-year
carryback rule that would otherwise apply to the PLL or the SLL. That
shows that, even after 1978, a taxpayer that incurred an NOL for a
taxable year had just one carryback period for the year, and thus only
one carryback period for the NOL it incurred for the year.
If a single NOL had just one carryback period even after 1978, as
indicated by section 172(f)(6) and its predecessor, that would explain
why Congress left the text of the carryback waiver rule unchanged in
1978. The 1978 Act redesignated the carryback waiver provision
(moving it from section 172(b)(3)(E) to section 172(b)(3)(C)) but left its
text unchanged. 1978 Act § 703(p)(1)(B), 92 Stat. at 2943. It continued
to allow a taxpayer entitled to a carryback period (singular) to relinquish
the carryback period to which the taxpayer was entitled.
Even leaving aside the clear implication of section 172(i)(3), as
enacted in 1978, Congress’s failure to revise the carryback waiver rule
further supports the notion that Congress did not intend to allow a
taxpayer with a PLL that was part of a larger NOL to carry the PLL
back ten years while electing to forgo the carryback of the rest of its
NOL. If Congress had intended to allow an election to that effect,
applicable to only part of the taxpayer’s NOL, I would have expected

27
Congress to make that intention explicit by revising the text of the
carryback waiver rule. 4
This Court relied on similar reasoning in Plumb. In that case, we
addressed a purported election by taxpayers to forgo the carryback of
their regular tax NOL but not their alternative minimum tax (AMT)
NOL. We concluded that the law did not allow a “split” election to that
effect. “Had Congress intended to make available two elections, with
such potentially disparate results,” we reasoned, “one would certainly
have expected that it would have explicitly so stated in the [Tax Equity
and Fiscal Responsibility Act of 1982], which for the first time permitted
carrybacks and carryovers of alternative minimum tax NOLs.” Id.
at 638–39. We thus held that, “[i]n the absence of any such clear
expression of legislative intention in so complex a field, . . . there is but
a single election [to forgo the carryback of an NOL], and that an effective
election . . . must be applicable to both the regular NOL and the
alternative minimum tax NOL.” Id. at 639.
The same can be said about PLLs under the 1978 Act and about
SLLs under the law in effect for the years before us. In Plumb, we
reasoned that, if Congress had intended, after it became possible to
carry AMT NOLs to other years, to allow a taxpayer to make a split
election under the predecessor of section 172(b)(3) that applied to a
taxpayer’s regular tax NOL but not its AMT NOL, Congress would have
said so explicitly. Similarly, if Congress had intended, after 1978, that
an NOL that included a PLL have two carryback periods and that the
taxpayer could elect to forgo the carryback of the non-PLL portion of its
NOL without affecting the carryback of its PLL, again, Congress would
have said so.
Curiously, the majority claims support from Plumb for its position
that “a taxpayer may be entitled to multiple carryback periods.” Op. Ct.
p. 12. In Plumb, we accepted that the taxpayers had a single carryback
period for both their regular tax NOL and their AMT NOL because each
amount could be carried back three years. On the premise that “[w]hat
4 My analysis, unlike the argument the Supreme Court rejected in Lamie v.
United States Trustee, 540 U.S. 526 (2004), does not seek to create ambiguity by
comparing an existing statutory text to a predecessor. In Lamie, 540 U.S. at 530, the
existing statutory text reflected a “substantive alteration” of the predecessor statute.
By contrast, Congress has made no substantive alteration to the carryback waiver rule
since its enactment in 1976. The Lamie Court also acknowledged that it would be “fair
to doubt” that Congress would effect a significant change in the law without
announcing it. Id. at 539.

28
we face here is not the single carryback period present in Plumb, but
multiple carryback periods,” the majority concludes that “the reasoning
in Plumb favors” its position that an NOL can have multiple carryback
periods. Op. Ct. note 7.
The majority assumes the point in issue with its premise that, in
this case, we face “multiple carryback periods.” At most, the majority
offers grounds to distinguish Plumb. In the absence of any election in
Plumb, the taxpayers’ regular tax NOL and their AMT NOL would both
have carried back three years. In the absence of any election by Apache,
its SLLs would have carried back ten years and the rest of its NOLs
would have carried back two years. But that distinction does not
undermine the lesson I draw from Plumb: If Congress intended that
changes to other provisions would significantly affect the consequences
of an election under section 172(b)(3) or its predecessor—allowing split
elections of a type not previously allowable—it is reasonable to suppose
that Congress would have made its intention explicit. Again, Congress
did not explicitly state that its 1978 amendments to section 172 created
the possibility that a single NOL could have more than one carryback
period. Indeed, it indicated in the predecessor to section 172(f)(6) that a
taxpayer still had just one carryback for a taxable year and thus just one
carryback period for any NOL it incurred for that year. 5
Just as I am not persuaded that Plumb affirmatively supports the
proposition that, after 1978, a single NOL could have multiple carryback
periods, I am also unpersuaded by the majority’s other arguments for
that proposition.
The majority reasons that section 172(b)(1)’s mandate that
different portions of an NOL be carried to different years “strongly
suggests” that that provision “establishes distinct ‘carryback periods.’”
Op. Ct. p. 10. As the majority acknowledges, however, “the term
‘carryback period’ is not defined by the Code.” Op. Ct. p. 10. So the
majority purports to look to the term’s “ordinary meaning.” Op. Ct.
p. 10.

5 In any event, the prospect that Plumb might be distinguishable does not
mean that it supports the majority’s position. The majority’s treatment of Plumb is
one of several instances in which the majority views any authority not contrary to its
position as affirmatively supporting its position.

29
The term “carryback period,” however, has no ordinary meaning.
It is a specialized term in the tax law. 6 The majority conjures a
purported ordinary definition of carryback period by consulting four
dictionaries. Not surprisingly, none defines “carryback period.” The
majority’s proposed definition—“a division of time to which a loss
amount can be carried back,” Op. Ct. p. 11—does not appear in any of
the dictionaries the majority cites. But the majority does find separate
definitions of “carryback” and “period.” A “period,” Black’s Law
Dictionary tells us, is a “division of time.” Period, Black’s Law
Dictionary (6th ed. 1990). Black’s also provides a definition of
“carryback.” So does The Random House Dictionary of the English
Language. Neither of those dictionaries, however, gives us an “ordinary”
meaning of “carryback.” Each identifies the term as a tax law term. 7
And the definition each dictionary provides for “carryback” does not
accurately reflect the tax law in effect when the dictionary was
published.
Black’s defines “carryback” as “[a] provision in the tax law which
allows a taxpayer to apply a net operating loss in one year to the three
immediately preceding tax years, beginning with the earliest year.”
Carry-back, Black’s Law Dictionary (6th ed. 1990). By 1990, of course,
different portions of a single NOL could be carried back different
numbers of years. The general three-year carryback rule was not
uniform. So Black’s description of the “provision in the tax law” by
which it defines “carryback” did not accurately describe that provision.
But we can forgive Black’s—a general reference source—for its
imprecision in defining a specialized tax law term. More to the point,
Black’s definition of “carryback” refers to the application of “a net
operating loss” to offset income of prior years. It makes no reference to
loss amounts. Black’s definition of “carryback” thus supports the
proposition that a single NOL has just one carryback period.
Random House defines “carryback” as “a special provision [in U.S.
income-tax law] allowing part of a net operating loss or of an unused
credit in a given year to be apportioned over one or two preceding years.”
Carryback, The Random House Dictionary of the English Language (2d
ed. 1987). The Random House definition thus applies to net operating
6 I find it difficult to imagine passersby on the street or shoppers at market

conversing about “carryback periods.”

7 Thus, in the majority’s tautological reasoning, the tax law looks to the
“ordinary” meaning of “carryback period,” and the ordinary meaning looks to the tax
law.

30
losses and credits—even though separate carryback rules applied to
each. And the general carryback rule for losses in 1987 required a loss
to be carried back to the third preceding year—not just the first or
second preceding year. The Random House definition of “carryback,”
like Black’s, makes no mention of “loss amounts.” It does refer to the
apportionment of parts of a loss or credit among prior years. I take that
to refer to the ability to carry a loss or credit from earlier carryback years
to more recent years when the taxpayer’s income or tax liability for the
earlier year is not sufficient to absorb the loss or credit. The reference
to the apportionment of parts of a loss or credit among different years
does not, to my mind, establish that a net operating loss had more than
one carryback period. More generally, I would not view Random House
as a reliable source for answering that question.
Next, the majority claims that “[t]he structure of section 172—
especially section 172(f)(5) and analogous provisions” supports its
reading of section 172(b)(1) as creating separate carryback periods.
Op. Ct. p. 11. Section 172(f)(5) provides special treatment of SLLs under
section 172(b)(2). Section 172(b)(2) requires the entire amount of an
NOL to be carried to the earliest year to which the loss can be carried.
If that rule were applied without modification to a taxpayer with an
NOL that consisted in part of an SLL, the rule could be read to require
the taxpayer to carry its entire NOL back to the tenth preceding year—
the earliest of the years to which (a portion of) the loss could have been
carried under section 172(b). To foreclose that possibility, section
172(f)(5) provides that, “[f]or purposes of applying subsection (b)(2), a
specified liability loss for any taxable year shall be treated as a separate
net operating loss for such taxable year to be taken into account after
the remaining portion of the net operating loss for such taxable year.” 8
Thus, a taxpayer with an NOL that consists, in part, of an SLL first
carries the rest of its NOL back the appropriate number of years
(generally two) and then carries its SLL back ten years.
The majority reasons that “no rule similar to that of section
172(f)(5) is required for section 172(b)(3), because the latter provision,
together with section 172(b)(1), already contemplates multiple
carryback periods working in tandem.” Op. Ct. p. 12. Again, the
majority assumes the point in issue. If the different years to which
portions of a loss can be carried back under section 172(b)(1) define
8 As the majority notes, analogous rules apply when an NOL includes other
amounts subject to special carryback rules. See § 172(b)(1)(E)(iv) (regarding “eligible
loss[es]”), (h)(2) (regarding “farming losses”).

31
different carryback periods, then it would be unnecessary to treat those
portions of an NOL as separate NOLs for purposes of section 172(b)(3).
But it would also be unnecessary to treat different portions of an NOL
as separate NOLs for purposes of section 172(b)(3) if the NOL had just
one carryback period and Congress intended an election under section
172(b)(3) to apply to the entire NOL. In other words, the absence of a
“rule similar to that of section 172(f)(5) . . . for section 172(b)(3)” does not
favor the majority’s position over my position. That section 172(f)(5)
treats an SLL as a separate NOL only for purposes of section 172(b)(2)
and not also for purposes of section 172(b)(3) is equally compatible with
either position. It cannot be read to favor one position over the other.
Once again, the majority claims affirmative support from an authority
simply because that authority does not refute its position. By that
reasoning, I could claim that section 172(f)(5) and the analogous
provisions dealing with eligible losses and farming losses support the
position that an NOL has only one carryback period so that an election
under section 172(b)(3) necessarily relinquishes the carryback of the
taxpayer’s entire NOL.
The majority also relies on three opinions in which this Court and
two appellate courts described portions of NOLs that could be carried
back longer than the usual number of years as having their own
carryback periods. As the majority acknowledges, however, none of
those opinions “address[ed] head-on the question of whether different
carryback periods can be relinquished independently under section
172(b)(3).” Op. Ct. p. 13. Nothing turned on whether the NOLs of the
taxpayers in those cases had just one carryback period or more than one.
The majority views those opinions as “reflect[ing] the considered
judgment of those courts as to how the text of section 172 operates.”
Op. Ct. p. 13. I agree that each opinion (in its entirety) reflects the
court’s considered judgment on the issue before it (which, in each case,
involved the operation of section 172). But I doubt that the particular
statements the majority singles out reflected the court’s “considered
judgment” on whether an NOL could have more than one carryback
period. In none of the three cases was that question before the court.
As the author of Norwest Corp. v. Commissioner, 111 T.C. 105, 164
(1998), I can say that, when I wrote that “[t]he portion of the NOL of a
commercial bank that is attributable to bad debt losses is prescribed a
carryback period of 10 years,” I did not focus on the number of carryback
periods a single NOL could have. Norwest addressed how a consolidated
group of corporations computed the portion of its consolidated NOL
attributable to bad debt losses. Whether that portion of the NOL had
its own carryback period or instead extended the NOL’s single carryback

32
period was unimportant to the resolution of the computational issue
Norwest presented.
Finally, the majority claims that its “reading of the statute is
supported by statements that were made in connection with . . . 1997
amendments to section 172.” 9 Op. Ct. p. 13. Under the 1997
amendments, the portion of an NOL covered by the default carryback
rule could be carried back only two years instead of the previous three.
(The amendments also extended the carryforward period from 15 to 20
years.) The amendments, however, preserved the special carryback
rules that allowed portions of an NOL to be carried back further than
the default rule would allow.
The 1997 amendments had no bearing on the question of whether
an NOL could have only one carryback period or more than one.
Therefore, it is not surprising that most of the statements quoted by the
majority do not favor its multiple carryback period theory over the single
carryback period theory. For example, the House Ways and Means
Committee report states that “the bill does not apply to NOLs arising
from casualty losses of individual taxpayers.” H.R. Rep. No. 105-148,
at 499 (1997), as reprinted in 1997 U.S.C.C.A.N. 678, 893. The report of
the Senate Finance Committee includes the same statement. S. Rep.
No. 105-33, at 184 (1997), reprinted in 1997-4 C.B. (Vol. 2) 1067, 1264.
The Conference Report describes the Senate amendment, which the
conference agreement followed, as “preserv[ing] the 3-year carryback for
NOLs of farmers and small businesses attributable to losses incurred in
Presidentially declared disaster areas.” H.R. Rep. No. 105-220, at 585
(1997) (Conf. Rep.), reprinted in 1997-4 C.B. (Vol. 2) 1467, 2055. And
the General Explanation prepared by the Staff of the Joint Committee
on Taxation states: “The Act does not apply to the carryback rules
relating to REITs, specified liability losses, excess interest losses, and
corporate capital losses.” Staff of J. Comm. on Tax’n, 105th Cong.,
General Explanation of Tax Legislation Enacted in 1997 (1997
Bluebook), JCS-23-97, at 268 (J. Comm. Print 1997). I fail to see how
those statements “support[]” the majority’s “reading of the statute.”
That the 1997 amendments did not affect the carryback of amounts
subject to special rules does not establish that those amounts had their
own carryback periods.

9 Curiously, while claiming “support[]” from the 1997 legislative history, the
majority simultaneously suggests that it addresses the legislative history only as an
accommodation “[f]or those who consider legislative history relevant.” Op. Ct. p. 13.

33
The only statement the majority quotes that could support its
reading of the statute is one by the Senate Finance Committee. The
Committee expressed the belief that “a two-year carryback of NOLs
[would be] sufficient to account for [natural] business cycles.” S. Rep.
No. 105-33, at 184, 1997-4 C.B. (Vol. 2) at 1264. In support of that belief,
the committee noted that “many deductions allowed for tax purposes
relate to future, rather than past, income streams and . . . certain
deductions that do not relate to past income streams are granted special,
longer carryback periods under present law (which are retained by the
bill).” Id. (emphasis added). I view the committee’s reference to “special,
longer carryback periods” as akin to the dicta in the three cases the
majority cites. The point the committee was making was that SLLs and
similar amounts could continue to be carried back longer than the
default rule would allow. Whether the additional years to which those
amounts could be carried back defined separate “carryback periods” was
not central to the committee’s justification for the amendments. 10
To review, the majority’s position that an NOL can have multiple
carryback periods if portions of that NOL can be carried back to different
taxable years rests on (1) a purported “ordinary” meaning of “carryback
period” not found in the sources on which the majority relies,
(2) provisions of section 172 (that is, section 172(f)(5) and the analogous
provisions for eligible losses and farming losses) that do not favor the
majority’s multiple carryback period theory over the alternative
proposition that a single NOL has only one carryback period, (3) dicta
from prior opinions of this Court and two appellate courts, and (4) a
statement in a 1997 report by the Senate Finance Committee that
should be viewed as akin to dicta.
On the other side of ledger, in support of the proposition that a
single NOL continued to have just one carryback period even after it
became possible for different portions of that NOL to be carried back to
different years, we have (1) the clear implication of section 172(f)(6) and
its predecessor, which the majority summarily dismisses, 11 and (2) the
10 For similar reasons, I would not read much into the statement, included in

each of the sources cited by the majority, that “[a] taxpayer may elect to forgo the
carryback of an NOL” (rather than all or part of an NOL). H.R. Rep. No. 105-148,
at 498, 1997 U.S.C.C.A.N. at 892 (emphasis added); S. Rep. No. 105-33, at 183, 1997-4
C.B. (Vol. 2) at 1263; H.R. Rep. No. 105-220, at 584, 1997-4 C.B. (Vol. 2) at 2054; 1997
Bluebook, at 267.
11 After accusing me of “misread[ing] section 172(f)(6),” the majority opines:
“[W]hatever inference might arise from the text of section 172(f)(6) does not suffice to

34
absence of any indication that the carryback waiver rule now provided
in section 172(b)(3), which necessarily started out as an all-or-nothing
rule, has not remained all-or-nothing, requiring the waiver of the
carryback of the electing taxpayer’s entire NOL. In my judgment, the
balance tips decidedly in favor of the proposition that an NOL has only
one carryback period so that a valid election under section 172(b)(3)
necessarily relinquishes the carryback of the electing taxpayer’s entire
NOL.
II.

Even if, After 1978, an NOL Could Have Multiple Carryback
Periods, a Section 172(b)(3) Election Relinquishes the Carryback
of the NOL in its Entirety.

Even if I were to accept that, after 1978, a single NOL could have
multiple carryback periods, I would still read the carryback waiver rule
to require the relinquishment of any and all carryback periods to which
the electing taxpayer might be entitled. The possibility of multiple
carryback periods would allow us to interpret the singular noun
“carryback period,” as used in section 172(b)(3), to refer to more than
one carryback period. 1 U.S.C. § 1. In that case, we would read the
statute to say that any taxpayer entitled to a carryback period (or
periods) under section 172(b)(1) can elect to relinquish the carryback
period (or periods). What carryback period (or periods) can the taxpayer
elect to relinquish? The use of the definite article tells us that the period
(or periods) referred to are those previously referred to—that is, the
carryback period (or periods) to which the electing taxpayer is entitled.
See Nielsen v. Preap, 586 U.S. 392, 408 (2019) (“[G]rammer and usage
establish that ‘the’ is ‘a function word . . . indicat[ing] that a following
noun or noun equivalent is definite or has been previously specified by
context.” (quoting The, Merriam-Webster’s Collegiate Dictionary
(11th ed. 2005))). Therefore, even if I were to accept that an NOL can
have more than one carryback period, I would still interpret section
172(b)(3) as allowing an election to relinquish any and all carryback
periods to which the electing taxpayer is entitled. 12

overcome the . . . textual indicators” that the majority views as supporting its position.
Op. Ct. p. 20.
12 The phrase “the . . . carryback period,” as used in the second part of the
operative sentence in section 172(b)(3), cannot be read to refer to whatever period or
periods an electing taxpayer chooses to relinquish because those periods are not known
until a taxpayer makes an election.

35
The majority claims that, if section 172(b)(1) establishes different
carryback periods, it would “make[] little sense” to “[r]ead[] section
172(b)(3) as providing a taxpayer with an all or nothing election,”
particularly because Congress went “out of its way to give taxpayers
additional choices” by allowing the elections provided in section 172(f)(6)
and the analogous provisions for eligible losses and farming losses.
Op. Ct. p. 15. Again, I am unpersuaded. Even if the different years to
which portions of an NOL can be carried under section 172(b)(1)
establish different carryback periods, it does not follow that those
periods can be waived separately rather than collectively. The existence
of multiple items in a group does not establish that differential, rather
than uniform, treatment of those items should be allowed. And
Congress’s grant of some flexibility in the treatment of different portions
of an NOL does not establish that Congress intended to allow the degree
of flexibility Apache seeks.
The majority sees no “policy reason” to “tie the hands of taxpayers
[with] multiple carryback periods under section 172(b)(1).” Op. Ct. p. 17.
As the majority notes, Congress’s enactment of the carryback waiver
rule in 1976 showed that it was sympathetic to taxpayers whose loss
carrybacks would have displaced other tax attributes that, if carried
forward, might expire sooner. See generally Staff of J. Comm. on Tax’n,
94th Cong., General Explanation of the Tax Reform Act of 1976, JCS33-76, at 189 (J. Comm. Print 1976). But an election to forgo the
carryback altogether would preserve the tax attributes that would
otherwise have been displaced. An all-or-nothing election would not be
a “stingy . . . solution” to the problem Congress addressed in 1976.
Op. Ct. pp. 17–18. The relevant policy question is whether a taxpayer
with an NOL that includes an SLL should be able to have its cake and
eat it, too, by carrying its SLL back ten years while forgoing the
carryback of the rest of its NOL and thereby avoiding the displacement
of other tax attributes generated in the more recent years. I agree that
there may be no compelling reason to require the taxpayer to give up the
carryback of its SLL as the price of preserving the tax attributes that
would be displaced by the carryback of the rest of the taxpayer’s NOL.
But I am also unaware of a strong policy reason to allow selective
carryback waivers. The stated reason for the carryback waiver in the
first place would be achieved by either a selective or an all-or-nothing
waiver election.
As the majority notes, Treasury Regulation § 1.172-13(c)(4)
allowed a taxpayer with a PLL to elect to relinquish the carryback of the
rest of its NOL while still carrying its PLL back ten years. The majority

36
asserts that, if Apache’s SLL had consisted of deductions described in
section 172(f)(1)(A) (related to product liability), “the Commissioner
would be bound [by Treasury Regulation § 1.172-13] to permit Apache’s
carryback.” Op. Ct. p. 17. But the majority seems to accept that,
because Apache’s SLL consists entirely of deductions described in
section 172(f)(1)(B) (not related to product liability), the regulation does
not bind the Commissioner to accept Apache’s election.
Therefore, it is not clear to me what point the majority seeks to
make in regard to the regulation. The majority writes that “there is no
meaningful principle by which to justify treating product liability losses
under section 172(f)(1)(A) differently, for purposes of the carryback
period election, from other specified liability losses under section
172(f)(1)(B).” Op. Ct. p. 17. That may be true. Even so, the majority
seems to accept that, while the regulation (in its view) would bind the
Commissioner in regard to SLLs consisting of product liability
deductions described in section 172(f)(1)(A), it does not bind the
Commissioner in regard to SLLs, such as Apache’s, consisting of
deductions described in section 172(f)(1)(B) that are unrelated to
product liability. Certainly, we are not bound to adopt the interpretation
of section 172 reflected in Treasury Regulation § 1.172-13. As the
Supreme Court has recently instructed us, we must exercise our own
“independent judgment” in interpreting statutes. Loper Bright Enters.
v. Raimondo, 144 S. Ct. 2244, 2273 (2024).
Therefore, even if I were to accept that a single NOL could have
multiple carryback periods, I would remain unpersuaded by the
majority’s arguments that a taxpayer can elect under section 172(b)(3)
to relinquish some carryback periods and not others. Instead, giving the
definite article its normal meaning, I would read section 172(b)(3) to
allow a taxpayer entitled to a carryback period (or periods) to elect to
relinquish the carryback period (or periods) to which the taxpayer is
entitled.
Whether or not a single NOL, after 1978, could have multiple
carryback periods, Apache, in attempting to preserve the ten-year
carryback of its SLL while relinquishing the two-year carryback of the
rest of its NOL, sought to make an election that the law does not allow.
Apache’s election was thus invalid. Apache should be allowed to carry
its SLLs back ten years but should also be required to carry the rest of
its NOLs back two years. Both the Commissioner’s and Apache’s
Motions should be denied.

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Source: Frix Law Library, https://www.frixlaw.com/law-library/documents/agency%3Atax-court%3A0f79793499af0253. Public record. Not legal advice.