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PART II. PROCEDURES FOR DETERMINATION LETTER REQUESTS

SECTION 15. WHAT ARE

Internal Revenue Bulletin 2023-1 · 2026-10-03 edition · updated 2026-10-04 · United States

THE PROCEDURES FOR FILING A REQUEST FOR A DETERMINATION UPON TERMINATION OR DISCONTINUANCE OF CONTRIBUTIONS, NOTICE OF MERGER, CONSOLIDATION, ETC.?

Scope .01 This section sets forth procedures for requesting determination letters involving plan termination or discontinuance of contributions. This section also contains procedures regarding required notices of merger, consolidation, or transfer of assets or liabilities.

4 For more information pertaining to the scope of reliance on a determination letter, see section 23 of this revenue procedure.

January 3, 2023 208 Bulletin No. 2023–1

Required forms .02

(1) Form 5310, Application for Determination for Terminating Plan, including a copy of the Procedural Requirements Checklist included therein, is filed by plans other than multiemployer plans covered by the insurance program of the PBGC. This form must be filed electronically on www.pay.gov. Paper forms will not be accepted.

(2) Form 5300, Application for Determination of Employee Benefit Plan, including a copy of the Procedural Requirements Checklist included therein, is filed in the case of a qualified multiemployer plan covered by PBGC insurance. This form must be filed electronically on www. pay.gov. Paper forms will not be accepted.

(3) Form 6088, Distributable Benefits from Employee Pension Benefit Plans, is filed (as applicable) in addition to Form 5310 or 5300 by a sponsor or plan administrator of a qualified defined benefit plan or a qualified underfunded defined contribution plan that files an application for a determination letter regarding plan termination. For collectively bargained qualified plans, a Form 6088 is required only if the plan benefits employees who are not collectively bargained employees within the meaning of § 1.410(b)-6(d). A separate Form 6088 is required for each employer employing such employees. See the instructions for Form 6088 for information required to be submitted along with the form, including a statement explaining how plan present values were determined.

(4) Form 5310-A, Notice of Plan Merger or Consolidation, Spinoff, or Transfer of Plan Assets or Liabilities – Notice of Qualified Separate Lines of Business, if required, generally must be filed not later than 30 days before a merger, consolidation, or transfer of assets and liabilities. The filing of Form 5310-A will not result in the issuance of a determination letter.

(5) Form 8717, User Fee for Employee Plan Determination Letter Request (and the payment confirmation from www.pay.gov as described in section 10.07 of this revenue procedure, if applicable). For electronic submissions on Form 5310 or Form 5300, www.pay.gov should be utilized for payment. See section 6 of this revenue procedure.

(6) Form 2848, Power of Attorney and Declaration of Representative. If applicable, submit Form 8821, Tax Information Authorization.

(7) Schedule SB (Form 5500), Single-Employer Defined Benefit Plan Actuarial Information , for defined benefit plans.

Supplemental information .03 The application for a determination letter involving plan termination must also include any supplemental information or schedules required by the forms or form instructions. For example, the application must include copies of all records of actions taken to terminate the plan (such as a resolution of the board of directors) and a schedule providing certain information regarding employees who separated from vesting service with less than 100% vesting.

In cases involving the termination of plans that contain a § 401(h) feature, a cover letter must accompany the submission, and it must reference the § 401(h) feature to clarify that this feature is part of the termination application. The cover letter must specifically state the location of plan provisions that relate to the § 401(h) feature.

Bulletin No. 2023–1 209 January 3, 2023

Compliance with Title IV of ERISA

Termination prior to time for amending for change in law

Restatement not required for terminating plan

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▸Contents — Internal Revenue Bulletin 2023-1

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