# 27 C.F.R. § 479.35 (2026): Employer identification number

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_35

## Section

- **Citation:** 27 C.F.R. § 479.35 (2026)
- **Heading:** Employer identification number
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 27 CFR: Alcohol, Tobacco Products and Firearms / Chapter II: BUREAU OF ALCOHOL, TOBACCO, FIREARMS, AND EXPLOSIVES, DEPARTMENT OF JUSTICE / Part 479: MACHINE GUNS, DESTRUCTIVE DEVICES, AND CERTAIN OTHER FIREARMS / Subpart D: Special (Occupational) Taxes / § 479.35: § 479.35   Employer identification number.

## Text

(a)
Requirement.
The employer identification number (defined in 26 CFR 301.7701-12) of the taxpayer who has been assigned such a number shall be shown on each special tax return, including amended returns, filed under this subpart. Failure of the taxpayer to include the employer identification number may result in the imposition of the penalty specified in § 70.113 of this chapter.
(b)
Application for employer identification number.
Each taxpayer who files a special tax return, who has not already been assigned an employer identification number, shall file IRS Form SS-4 to apply for one. The taxpayer shall apply for and be assigned only one employer identification number, regardless of the number of places of business for which the taxpayer is required to file a special tax return. The employer identification number shall be applied for no later than 7 days after the filing of the taxpayer's first special tax return. IRS Form SS-4 may be obtained from the director of an IRS service center or from any IRS district director.
(c)
Preparation and filing of IRS Form SS-4.
The taxpayer shall prepare and file IRS Form SS-4, together with any supplementary statement, in accordance with the instructions on the form or issued in respect to it.
(26 U.S.C. 6109)
[T.D. ATF-271, 53 FR 17551, May 17, 1988, as amended by T.D. ATF-301, 55 FR 47657, Nov. 14, 1990]

## Nearby sections

- [27 C.F.R. § 479.31 (2026) § 479.31   Liability for tax.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_31.md)
- [27 C.F.R. § 479.32 (2026) § 479.32   Special (occupational) tax rates.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_32.md)
- [27 C.F.R. § 479.32a (2026) § 479.32a   Reduced rate of tax for small importers and manufacturers.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_32a.md)
- [27 C.F.R. § 479.33 (2026) § 479.33   Special exemption.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_33.md)
- [27 C.F.R. § 479.34 (2026) § 479.34   Special tax registration and return.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_34.md)
- [27 C.F.R. § 479.35 (2026) § 479.35   Employer identification number.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_35.md)
- [27 C.F.R. § 479.36 (2026) § 479.36   The special tax stamp, receipt for special (occupational) taxes.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_36.md)
- [27 C.F.R. § 479.37 (2026) § 479.37   Certificates in lieu of stamps lost or destroyed.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_37.md)
- [27 C.F.R. § 479.38 (2026) § 479.38   Engaging in business at more than one location.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_38.md)
- [27 C.F.R. § 479.39 (2026) § 479.39   Engaging in more than one business at the same location.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_39.md)
- [27 C.F.R. § 479.40 (2026) § 479.40   Partnership liability.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_40.md)
- [27 C.F.R. § 479.41 (2026) § 479.41   Single sale.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_41.md)
- [27 C.F.R. § 479.42 (2026) § 479.42   Changes through death of owner.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_42.md)
- [27 C.F.R. § 479.43 (2026) § 479.43   Changes through bankruptcy of owner.](https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_43.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T27_P479_S479_35. Check the current official text before relying on it. Not legal advice.