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Treas. Reg. § 1.411(a)-2

Effective dates.
eCFR editorial change effective 2016-09-09 · current · last amended by T.D. 7501, 42 FR 42325, Aug. 23, 1977
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Amended effective Apr 1, 1999 by T.D. 7501, 42 FR 42325, Aug. 23, 1977. See what changed
(a) Plan not in existence on January 1, 1974. Under section 1017(a) of the Employee Retirement Income Security Act of 1974, in the case of a plan which was not in existence on January 1, 1974, section 411 and the regulations thereunder apply for plan years beginning after September 2, 1974. See paragraph (c) of this section for time plan is considered in existence.
(b) Plans in existence on January 1, 1974. Under section 1017(b) of the Employee Retirement Income Security Act of 1974, in the case of a plan which was in existence on January 1, 1974, section 411 and the regulations thereunder apply for plan years beginning after December 31, 1975. See paragraph (c) of this section for time plan is considered to be in existence.
(c) Time of plan existence
(1) General rule. For purposes of this section, a plan is considered to be in existence on a particular day if—
(i) The plan on or before that day was reduced to writing and adopted by the employer (including, in the case of a corporate employer, formal approval by the employer's board of directors and, if required, shareholders), even though no amounts had been contributed under the plan as of such day, and
(ii) The plan was not terminated on or before that day.
For example, if a plan was adopted on January 2, 1974, effective as of January 1, 1974, the plan is not considered to have been in existence on January 1, 1974, because it was not both adopted and in writing on January 1, 1974.
(2) Collectively-bargained plan. Notwithstanding paragraph (c) (1) of this section, a plan described in section 413 (a), relating to a plan maintained pursuant to a collective-bargaining agreement, is considered to be in existence on a particular day if—
(i) On or before that day there is a legally enforceable agreement to establish such a plan signed by the employer, and
(ii) The employer contributions to be made to the plan are set forth in the agreement.
(3) Special rule. If a plan is considered to be in existence under subparagraph (1) of this paragraph, any other plan with which such existing plan is merged or consolidated shall also be considered to be in existence on such date.
(d) Existing plans under collective-bargaining agreements. For a special effective date rule for certain plans maintained pursuant to a collective bargaining agreement, see section 1017(c)(1) of the Employee Retirement Income Security Act of 1974 (88 Stat. 932).
(e) Certain existing plans may elect new provisions. The plan administrator may elect to have the provisions of the Code relating to participation, vesting, funding, and form of benefit apply to a selected plan year. See § 1.410(a)-2(d) for rules relating to such an election.
(f) Application of rules. The requirements of section 411 do not apply to employees who separate from service with the employer prior to the first plan year to which such requirements apply and who never return to service with the employer in a plan year to which section 411 applies.
Source credit, amendments & notes

[T.D. 7501, 42 FR 42325, Aug. 23, 1977]

(Sec. 411 (88 Stat. 901; 26 U.S.C. 411))

Treas. Reg. § 1.411(a)-2 — Effective dates. · eCFR editorial change effective 2016-09-09 · https://pensionresource.website/EAMain?content=EAMain.Law&id=cfr26-1.411%28a%29-2 · printed Oct 16, 2026
On this page
  • (a) Plan not in existence on January 1, 1974.
  • (b) Plans in existence on January 1, 1974.
  • (c) Time of plan existence
  • (d) Existing plans under collective-bargaining agreements.
  • (e) Certain existing plans may elect new provisions.
  • (f) Application of rules.
Implements
I.R.C. § 411 Minimum vesting standards
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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, 1997Mar 31, 1999CFR 1998 annual edition (revised as of 1998-04-01) run 127T.D. 7501, 42 FR 42325, Aug. 23, 1977View
Apr 1, 1999currenteCFR editorial change effective 2016-09-09 run 2T.D. 7501, 42 FR 42325, Aug. 23, 1977View · Redline (sign in)
Provision-level history (blame)