Treas. Reg. § 1.401-6

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Termination of a qualified plan.

eCFR amendment effective 2016-05-18 · superseded Mar 14, 2019 · last amended by T.D. 6675, 28 FR 10120, Sept. 17, 1963

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(a) General rules.

(1) In order for a pension, profit-sharing, or stock bonus trust to satisfy the requirements of section 401, the plan of which such trust forms a part must expressly provide that, upon the termination of the plan or upon the complete discontinuance of contributions under the plan, the rights of each employee to benefits accrued to the date of such termination or discontinuance, to the extent then funded, or the rights of each employee to the amounts credited to his account at such time, are nonforfeitable. As to what constitutes nonforfeitable rights of an employee, see paragraph (a)(2) of § 1.402(b)-1.

(2)

(i) A qualified plan must also provide for the allocation of any previously unallocated funds to the employees covered by the plan upon the termination of the plan or the complete discontinuance of contributions under the plan. Such provision may be incorporated in the plan at its inception or by an amendment made prior to the termination of the plan or the discontinuance of contributions thereunder.

(ii) Any provision for the allocation of unallocated funds is acceptable if it specifies the method to be used and does not conflict with the provisions of section 401(a)(4) and the regulations thereunder. The allocation of unallocated funds may be in cash or in the form of other benefits provided under the plan. However, the allocation of the funds contributed by the employer among the employees need not necessarily benefit all the employees covered by the plan. For example, an allocation may be satisfactory if priority is given to benefits for employees over the age of 50 at the time of the termination of the plan, or those who then have at least 10 years of service, if there is no possibility of discrimination in favor of employees who are officers, shareholders, employees whose principal duties consist in supervising the work of other employees, or highly compensated employees.

(iii) Subdivisions (i) and (ii) of this subparagraph do not require the allocation of amounts to the account of any employee if such amounts are not required to be used to satisfy the liabilities with respect to employees and their beneficiaries under the plan (see section 401(a)(2)).

(b) Termination defined.

(1) Whether a plan is terminated is generally a question to be determined with regard to all the facts and circumstances in a particular case. For example, a plan is terminated when, in connection with the winding up of the employer's trade or business, the employer begins to discharge his employees. However, a plan is not terminated, for example, merely because an employer consolidates or replaces that plan with a comparable plan. Similarly, a plan is not terminated merely because the employer sells or otherwise disposes of his trade or business if the acquiring employer continues the plan as a separate and distinct plan of its own, or consolidates or replaces that plan with a comparable plan. See paragraph (d)(4) of § 1.381(c)(11)-1 for the definition of comparable plan. In addition, the Commissioner may determine that other plans are comparable for purposes of this section.

(2) For purposes of this section, the term termination includes both a partial termination and a complete termination of a plan. Whether or not a partial termination of a qualified plan occurs when a group of employees who have been covered by the plan are subsequently excluded from such coverage either by reason of an amendment to the plan, or by reason of being discharged by the employer, will be determined on the basis of all the facts and circumstances. Similarly, whether or not a partial termination occurs when benefits or employer contributions are reduced, or the eligibility or vesting requirements under the plan are made less liberal, will be determined on the basis of all the facts and circumstances. However, if a partial termination of a qualified plan occurs, the provisions of section 401(a)(7) and this section apply only to the part of the plan that is terminated.

(1) For purposes of this section, a complete discontinuance of contributions under the plan is contrasted with a suspension of contributions under the plan, which is merely a temporary cessation of contributions by the employer. A complete discontinuance of contributions may occur although some amounts are contributed by the employer under the plan if such amounts are not substantial enough to reflect the intent on the part of the employer to continue to maintain the plan. The determination of whether a complete discontinuance of contributions under the plan has occurred will be made with regard to all the facts and circumstances in the particular case, and without regard to the amount of any contributions made under the plan by employees.

(2) In the case of a pension plan, a suspension of contributions will not constitute a discontinuance if -

(i) The benefits to be paid or made available under the plan are not affected at any time by the suspension, and

(ii) The unfunded past service cost at any time (which includes the unfunded prior normal cost and unfunded interest on any unfunded cost) does not exceed the unfunded past service cost as of the date of establishment of the plan, plus any additional past service or supplemental costs added by amendment.

(3) In any case in which a suspension of a profit-sharing plan is considered a discontinuance, the discontinuance becomes effective not later than the last day of the taxable year of the employer following the last taxable year of such employer for which a substantial contribution was made under the profit-sharing plan.

(d) Contributions or benefits which remain forfeitable. The provisions of this section do not apply to amounts which are reallocated to prevent the discrimination prohibited by section 401(a)(4) (see paragraph (c) of § 1.401-4).

(e) Effective date. This section shall apply to taxable years of a qualified plan commencing after September 30, 1963. In the case of the termination or complete discontinuance (as defined in this section) of any qualified plan during any such taxable year, the rights accorded to each employee covered under the plan must conform to the requirements of this section. However, a plan which is qualified on September 30, 1963, will not be disqualified merely because it does not expressly include the provisions prescribed by this section.

Source credit, amendments & notes

[T.D. 6675, 28 FR 10120, Sept. 17, 1963]

Treas. Reg. § 1.401-6 — Termination of a qualified plan. · eCFR amendment effective 2016-05-18 · https://pensionresource.website/EAMain?content=EAMain.Law&id=cfr26-1.401-6&asof=1976-12-14 · printed Oct 16, 2026

Implements

I.R.C. § 401 Qualified pension, profit-sharing, and stock bonus plans

Cited by (code & regs)

Treas. Reg. § 1.401-1 Qualified pension, profit-sharing, and stock bonu…
Treas. Reg. § 1.413-1 Special rules for collectively bargained plans.

No guidance in the library cites this section yet.

Tax Court (5) · DOL/Federal (0)

U.S. Tax Court (5)

Rulings that address this provision

Tionesta Sand & Gravel, Inc. v. Commissioner, 73 T.C. 758 U.S. Tax Court · Jan 31, 1980
Cites (a)(1) (b)(1) (b)(2) (c)(1) · Text when decided

Also cite this provision (4)

Halliburton Co. v. Commissioner, 100 T.C. 216; 100 T.C. No. 15 U.S. Tax Court · Mar 24, 1993
Cites (b)(2) · Text when decided
Tipton & Kalmbach, Inc. v. Commissioner, 83 T.C. 154; 83 T.C. No. 10 U.S. Tax Court · Jul 25, 1984
Cites (b)(2) · Text when decided
Sarmir v. Commissioner, 66 T.C. 82 U.S. Tax Court · Apr 12, 1976
Cites (b)(2) · Text when decided
Doing v. Commissioner, 58 T.C. 115 U.S. Tax Court · Apr 25, 1972
Text when decided

No private letter rulings in the library cite this provision yet.

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.

Effective	Through	Source	Amended by
Apr 1, 1997	Mar 13, 2019	eCFR amendment effective 2016-05-18 run 26	T.D. 6675, 28 FR 10120, Sept. 17, 1963	View
Mar 14, 2019	current	eCFR editorial change effective 2019-03-14 run 2	T.D. 6675, 28 FR 10120, Sept. 17, 1963	View · Redline (sign in)

Provision-level history (blame)

Treas. Reg. § 1.401-6

On this page

Implements

Cited by (code & regs)

U.S. Tax Court (5)