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underfunded single employer defined benefit plans

Section 4. Provisions Applicable After Limitations Cease to Apply.

Publication 6165 — Defined Benefit Listing of Required Modifications and Information Package (LRM) · 2026-10-03 edition · updated 2026-10-04 · United States

(a) Resumption of Prohibited Payments. If a limitation on prohibited payments under Section 1(a), Section 2(a), or Section 3 applied to the plan as of a Code § an IRC 436 measurement date, but that limit no longer applies to the plan as of a later Code § IRC 436 measurement date, then that limitation does not apply to benefits with annuity starting dates that are on or after that later Code § IRC 436 measurement date.

In addition, if elected by the employer in the adoption agreement, after the Code § IRC 436 measurement date on which the limitation on prohibited payments under Section 1(a) ceases to apply to the plan, any participant or beneficiary who had an annuity starting date within the period during which that limitation applied to the plan is permitted to make a new election (within 90 days after the Code § IRC 436 measurement date on which the limit ceases to apply or, if later, 30 days after receiving notice of the right to make such election) under which the form of benefit previously elected is modified at a new annuity starting date to be changed to a single sum payment for the remaining value of the

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participant or beneficiary’s benefit under the plan, subject to the other rules in this section of the plan and applicable requirements of Code § IRC 401(a), including spousal consent.

Furthermore, if elected by the employer in the adoption agreement, after the Code § IRC 436 measurement date on which the limitation on prohibited payments under Section 2(a) ceases to apply to the plan, any participant or beneficiary who had an annuity starting date within the period during which that limitation applied to the plan is permitted to make a new election (within 90 days after the Code § IRC 436 measurement date on which the limit ceases to apply or, if later, 30 days after receiving notice of the right to make such election) under which the form of benefit previously elected is modified at a new annuity starting date to be changed to a single sum payment for the remaining value of the participant or beneficiary’s benefit under the plan, subject to the other rules in this section of the plan (including Section 1(a)) and applicable requirements of Code § IRC 401(a), including spousal consent.

(b) Resumption of Benefit Accruals. If a limitation on benefit accruals under Section 2(c) applied to the plan as of a Code § IRC 436 measurement date, but that limitation no longer applies to the plan as of a later Code § IRC 436 measurement date, then benefit accruals shall resume prospectively and that limitation does not apply to benefit accruals that are based on service on or after that later Code § IRC 436 measurement date, except as otherwise provided under the plan. The plan shall comply with the rules relating to partial years of participation and the prohibition on double proration under Department of Labor Regulations §§ 2530.204-2(c) and (d).

In addition, if elected by the employer in the adoption agreement, benefit accruals that were not permitted to accrue because of the application of Section 2(c) shall be restored when that limitation ceases to apply if the continuous period of the limitation was 12 months or less and the plan’s enrolled actuary certifies that the adjusted funding target attainment percentage for the plan year would not be less than 60% taking into account any restored benefit accruals for the prior plan year.

(c) Shutdown and Other Unpredictable Contingent Event Benefits. If an unpredictable contingent event benefit with respect to an unpredictable contingent event that occurs during the plan year is not permitted to be paid after the occurrence of the event because of the limitation of Section 2(b), but is permitted to be paid later in the same plan year (as a result of additional contributions or pursuant to the enrolled actuary’s certification of the adjusted funding target attainment percentage for the plan year that meets the requirements of Treas. Reg. § 1.436-1(g)(5)(ii)(B)), then that unpredictable contingent event benefit shall be paid, retroactive to the period that benefit would have been payable under the terms of the plan (determined without regard to Section 2(b)). If the unpredictable contingent event benefit does not become payable during the plan year in accordance with the preceding sentence, then the plan is treated as if it does not provide for that benefit.

(d) Treatment of Plan Amendments That Do Not Take Effect. If a plan amendment does not take effect as of the effective date of the amendment because of the limitation of Section 1(b) or Section 2(c), but is permitted to take effect later in the same plan year (as a result of additional contributions or pursuant to the enrolled actuary’s certification of the adjusted funding target attainment percentage for the plan year that meets the

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requirements of Treas. Reg. § 1.436-1(g)(5)(ii)(C)), then the plan amendment must automatically take effect as of the first day of the plan year (or, if later, the original effective date of the amendment). If the plan amendment cannot take effect during the same plan year, then it shall be treated as if it were never adopted, unless the plan amendment provides otherwise.

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▸Contents — Publication 6165 — Defined Benefit Listing of Required Modifications and Information Package (LRM)

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