Brief Case

Treas. Reg. § 54.4979-0

Excise tax on certain excess contributions and excess aggregate contributions; table of contents.
eCFR amendment effective 2016-12-30 · current · last amended by T.D. 8581, 59 FR 66181, Dec. 23, 1994
This section contains the captions that appear in § 54.4979.
§ 54.4979-1 Excise tax on certain excess contributions and excess aggregate contributions.

(a) In general.

(1) General rule.

(2) Liability for tax.

(3) Due date and form for payment of tax.

(4) Special rule for simplified employee pensions.

(b) Definitions.

(1) Excess aggregate contributions.

(2) Excess contributions.

(3) Plan.

(c) No tax when excess distributed within 2 1/2 months of close of year or additional employer contributions made.

(1) General rule.

(2) Tax treatment of distributions.

(3) Income.

(4) Example.

(d) Effective date.

(1) General rule.

(2) Section 403(b) annuity contracts.

(3) Collectively bargained plans and plans of state or local governments.

(4) Plan years beginning before January 1, 1992.

Source credit, amendments & notes

[T.D. 8357, 56 FR 40550, Aug. 15, 1991; 57 FR 10290, Mar. 25, 1992, as amended by T.D. 8581, 59 FR 66181, Dec. 23, 1994]

Treas. Reg. § 54.4979-0 — Excise tax on certain excess contributions and excess aggregate contributions; table of contents. · eCFR amendment effective 2016-12-30 · https://pensionresource.website/EAMain?content=EAMain.Law&id=cfr26-54.4979-0 · printed Oct 16, 2026
Implements
I.R.C. § 4979 Tax on certain excess contributions

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Each row is a version of the text as published by the official source. Code dates are the edition/release point that first reflected the change; regulation dates are eCFR effective dates. The library checks the official sources automatically, so new versions appear here on their own; “run” opens the sync that recorded a version.

EffectiveThroughSourceAmended by
Apr 1, 1997currenteCFR amendment effective 2016-12-30 run 2T.D. 8581, 59 FR 66181, Dec. 23, 1994View
Provision-level history (blame)