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Treasury Regulations · 26 CFR

§ 54.4971-1. General rules relating to excise tax on failure to meet minimum funding standards.

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. § 4971

Cite as 26 CFR § 54.4971-1

At a glance

Read from the text and its source citation. Not part of the regulation.

Status
In the current eCFR
Issued
May 2, 1986 by T.D. 8084
Issued under
26 U.S.C. § 4971
Length
224 words · about 1 min to read
Defines
1 term
Cross-references
cites 2 Code sections and 0 regulations; cited by 0
(a)-(b) [Reserved]
(c) Additional tax. Section 4971(b) imposes an excise tax in any case in which an initial tax is imposed under section 4971(a) on an accumulated funding deficiency and the accumulated funding deficiency is not corrected within the taxable period (as defined in section 4971(c)(3)). The additional tax is 100 percent of the accumulated funding deficiency to the extent not corrected.
(d) [Reserved]
(e) Definition of taxable period—
(1) In general. For purposes of any accumulated funding deficiency, the term “taxable period” means the period beginning with the end of the plan year in which there is an accumulated funding deficiency and ending on the earlier of:
(i) The date of mailing of a notice of deficiency under section 6212 with respect to the tax imposed by section 4971(a), or
(ii) The date on which the tax imposed by section 4971(a) is assessed.
(2) Special rule. Where a notice of deficiency referred to in paragraph (e)(1)(i) of this section is not mailed because a waiver of the restrictions on assessment and collection of a deficiency has been accepted or because the deficiency is paid, the date of filing of the waiver or the date of such payment, respectively, shall be treated as the end of the taxable period.

[T.D. 8084, 51 FR 16305, May 2, 1986]

Terms defined here

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Other regulations under § 4971

Cross-references

Computed from the citations in the text of 26 CFR.

Code sections 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.

  1. Issued by T.D. 8084 (51 FR 16305)

Where it sits in 26 CFR

  1. Subchapter D Miscellaneous excise taxes
  2. Part 54 Pension excise taxes

Nearby sections