Treasury Regulations · 26 CFR
§ 1.401-0. Scope and definitions.
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. § 401
Cite as 26 CFR § 1.401-0
At a glance
Read from the text and its source citation. Not part of the regulation.
- Status
- In the current eCFR
- Issued
- August 23, 1977 by T.D. 7501
- Issued under
- 26 U.S.C. § 401
- Length
- 124 words · about 1 min to read
- Defines
- 2 terms
- Cross-references
- cites 2 Code sections and 2 regulations; cited by 0
(Sec. 411 Internal Revenue Code of 1954 (88 Stat. 901; 26 U.S.C. 411))
[T.D. 7501, 42 FR 42320, Aug. 23, 1977]
Terms defined here
Where the text says “the term … means”. Select a term to jump to its definition.
Cross-references
Computed from the citations in the text of 26 CFR.
Code sections it cites
Regulations it cites
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 by T.D. 7501 (42 FR 42320)
Where it sits in 26 CFR
- Subchapter A Income tax
- Part 1 Income taxes
- Pension, Profit-Sharing, Stock Bonus Plans, etc.