# 49 C.F.R. § 1312.7 (2026): STB tariff designation

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_7

## Section

- **Citation:** 49 C.F.R. § 1312.7 (2026)
- **Heading:** STB tariff designation
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 49 CFR: Transportation / Chapter X: SURFACE TRANSPORTATION BOARD / Part 1312: REGULATIONS FOR THE PUBLICATION, FILING, AND KEEPING OF TARIFFS FOR THE TRANSPORTATION OF PROPERTY BY OR WITH A WATER CARRIER IN NONCONTIGUOUS DOMESTIC TRADE / § 1312.7: § 1312.7   STB tariff designation.

## Text

(a)
Format.
Every tariff shall show an authorized tariff designation consisting of:
(1) The characters “STB”;
(2) The assigned alpha code of the carrier or agent issuing the tariff; and
(3)(i) The tariff number (selected by the carrier or agent) to distinguish that tariff from all other tariffs filed by the same issuing carrier or agent. Tariff numbers shall not exceed 5 numerical digits and may be followed by not more than 2 letter suffixes. Examples of tariff numbers are:
STB XXXX 100
STB XX 8000-A
STB XXXX 12345-AB
(ii) Suffixes may be used only to designate reissues of tariffs. As an example, a reissue of tariff 1000 could be designated 1000-A, a reissue of tariff 1000-A could be designated 1000-B, etc.
(b)
Alpha codes.
Alpha codes are assigned to carriers and tariff agents by the National Motor Freight Traffic Association, Inc., 2200 Mill Road, Alexandria, VA 22314.
(c)
Fees for assignment.
Fees may be assessed for the assignment of codes, but may not exceed the processing costs.
(d)
Code listing.
A list of the assigned alphabetical codes, and the names of the carriers and agents to which they are assigned, as well as subsequent changes to the list, shall be submitted to the Board's Section of Tariffs.

## Nearby sections

- [49 C.F.R. § 1312.1 (2026) § 1312.1   Scope; definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_1.md)
- [49 C.F.R. § 1312.2 (2026) § 1312.2   Requirement to publish and file a tariff.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_2.md)
- [49 C.F.R. § 1312.3 (2026) § 1312.3   Tariff contents and standards; Essential criteria.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_3.md)
- [49 C.F.R. § 1312.4 (2026) § 1312.4   Filing of tariffs.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_4.md)
- [49 C.F.R. § 1312.5 (2026) § 1312.5   Amendments to tariffs.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_5.md)
- [49 C.F.R. § 1312.6 (2026) § 1312.6   Advance notice required.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_6.md)
- [49 C.F.R. § 1312.7 (2026) § 1312.7   STB tariff designation.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_7.md)
- [49 C.F.R. § 1312.8 (2026) § 1312.8   Identification of tariff publication.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_8.md)
- [49 C.F.R. § 1312.9 (2026) § 1312.9   Statement of tariff application and other title page requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_9.md)
- [49 C.F.R. § 1312.10 (2026) § 1312.10   Notification of tariff changes and nature of changes.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_10.md)
- [49 C.F.R. § 1312.11 (2026) § 1312.11   Special notification for ordered matter.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_11.md)
- [49 C.F.R. § 1312.12 (2026) § 1312.12   Posting requirements.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_12.md)
- [49 C.F.R. § 1312.13 (2026) § 1312.13   Furnishing copies of tariff publications.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_13.md)
- [49 C.F.R. § 1312.14 (2026) § 1312.14   Powers of attorney and concurrences.](https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_14.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T49_P1312_S1312_7. Check the current official text before relying on it. Not legal advice.