Treasury Regulations · 26 CFR
§ 31.6109-1. Supplying of identifying numbers.
Regulation text, no changes From the eCFR, current as of October 15, 2026. The eCFR is an authoritative but unofficial editorial compilation of the Code of Federal Regulations; the official text is the annual CFR on govinfo. Compare it with this section on ecfr.gov (external site) or the official annual CFR on govinfo (external site).
Regulation under 26 U.S.C. § 6109
Cite as 26 CFR § 31.6109-1
At a glance
Read from the text and its source citation. Not part of the regulation.
- Status
- In the current eCFR
- Issued
- March 15, 1974 by 39 FR 9946
- Issued under
- 26 U.S.C. § 6109
- Length
- 96 words · about 1 min to read
- Cross-references
- cites 0 Code sections and 1 regulation; cited by 5
[39 FR 9946, Mar. 15, 1974]
Cross-references
Computed from the citations in the text of 26 CFR.
Regulations it cites
Cited by 5 other regulations
Amendment history
From the source citation at the end of the section, newest first. T.D. is a Treasury decision; FR is the Federal Register.
- Issued (39 FR 9946)
Where it sits in 26 CFR
- Subchapter C Employment taxes and collection of income tax at source
- Part 31 Employment taxes and collection of income tax at source
- Subpart G Administrative Provisions of Special Application to Employment Taxes (Selected Provisions of Subtitle F, Internal Revenue Code of 1954)
Nearby sections
- § 31.6081(a)-1 Extensions of time for filing returns and other documents.
- § 31.6091-1 Place for filing returns.
- § 31.6101-1 Period covered by returns.
- § 31.6107-1 Tax return preparer must furnish copy of return to taxpayer and must retain a copy or record.
- § 31.6109-1 Supplying of identifying numbers.
- § 31.6109-2 Tax return preparers furnishing identifying numbers for returns or claims for refund.
- § 31.6151-1 Time for paying tax.
- § 31.6157-1 Cross reference.
- § 31.6161(a)(1)-1 Extensions of time for paying tax.