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Treasury Regulations · 26 CFR

§ 31.6109-1. Supplying of identifying numbers.

In effect eCFR current as of October 15, 2026

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
(a) In general. The returns, statements, and other documents required to be filed under this subchapter shall reflect such identifying numbers as are required by each return, statement, or document and its related instructions. See § 301.6109-1 of this chapter (Regulations on Procedure and Administration).
(b) Effective date. The provisions of this section are effective for information which must be furnished after April 15, 1974. See 26 CFR § 31.6109-1 (revised as of April 1, 1973) for provisions with respect to information which must be furnished before April 16, 1974.

[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.

  1. Issued (39 FR 9946)

Where it sits in 26 CFR

  1. Subchapter C Employment taxes and collection of income tax at source
  2. Part 31 Employment taxes and collection of income tax at source
  3. Subpart G Administrative Provisions of Special Application to Employment Taxes (Selected Provisions of Subtitle F, Internal Revenue Code of 1954)

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