SECTION 19. EMPLOYER
Internal Revenue Bulletin 2015-27 · 2026-10-03 edition · updated 2026-10-04 · United States
RELIANCE
.01 Standardized M&P Plans - An employer adopting a standardized M&P plan may rely on that plan’s opinion letter, except as provided in (1) through (3) and section 19.03 below, if the sponsor of such plan or plans has a currently valid favorable opinion letter, the employer has followed the terms of the plan(s), and the coverage and contributions or benefits under the plan(s) are not more favorable for highly compensated employees (as defined in § 414(q)) than for other employees. Opinion letters will not be issued for standardized M&P Plans that include either an ESOP or a Hybrid Plan formula.
(1) An employer may not rely on an opinion letter for a standardized M&P plan with respect to the requirements of §§ 415 and 416, without obtaining a de
termination letter, if the employer maintains at any time, or has maintained at any time, another plan, including a standardized plan, that was qualified or determined to be qualified covering some of the same participants. An employer that adopts a standardized defined contribution plan will not be considered to have maintained another plan merely because the employer has maintained another defined contribution plan(s), provided such other plan(s) has been terminated prior to the effective date of the standardized plan and no annual additions have been credited to the account of any participant under such other plan(s) as of any date within a limitation year of the standardized plan. For this purpose, a plan that has been properly replaced by the adoption of a standardized plan is not considered another plan. To be considered a replacement plan, and thus, for the employer to be able to rely on the standardized plan with respect to the requirements of §§ 415 and 416 without obtaining a determination letter, the plan that has been replaced and the standardized plan must be of the same type (for example, both defined benefit plans). An employer’s addition of language to a standardized M&P plan to satisfy the requirements of §§ 415 and 416, given the required aggregation of plans, would require submission on Form 5300 in order to preserve reliance on the opinion/advisory letter, pursuant to section 8.02 of Rev. Proc. 2015–6. (2) An employer that has adopted a standardized defined benefit plan may rely on an opinion letter with respect to the requirements of § 401(a)(26) only if the plan satisfies the requirements of § 401(a)(26) with respect to its prior benefit structure or is deemed to satisfy § 401(a)(26) pursuant to regulations thereunder.
(3) An employer that adopts a standardized plan may not rely on an opinion letter with respect to: (a) whether the timing of any amendment to the plan (or series of amendments) satisfies the nondiscrimination requirements of § 1.401(a) (4)–5(a), except with respect to plan amendments granting past service that meet the safe harbor described in § 1.401(a)(4)–5(a)(3) and are not part of a pattern of amendments that significantly discriminates in favor of highly compen
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sated employees; or (b) whether the plan satisfies the effective availability requirement of § 1.401(a)(4)–4(c) with respect to any benefit, right, or feature. An employer that adopts a standardized plan as an amendment to a plan other than a standardized plan may not rely on an opinion letter with respect to whether a benefit, right, or feature that is prospectively eliminated satisfies the current availability requirements of § 1.401(a)(4)–4.
.02 Nonstandardized M&P Plans and Volume Submitter Plans - An employer adopting a nonstandardized M&P or VS plan may rely on that plan’s opinion or advisory letter as described in this section 19 if the employer’s plan is identical to an approved M&P or specimen plan with a currently valid favorable opinion or advisory letter, the employer has not amended the plan other than to choose options provided under the approved plan or to make amendments as described in section 19.03(3), and the employer has followed the terms of the plan.
(1) Except as provided in section 19.02(2), (3) and (4), adopting employers of nonstandardized M&P plans and VS plans may not rely on a favorable opinion or advisory letter with respect to the requirements of:
(a) § 401(a)(4), 401(a)(26), 401(l), 410(b), or 414(s); or (b) if the employer maintains or has ever maintained another plan covering some of the same participants, §§ 415 or 416. For this purpose, whether an employer maintains or has ever maintained another plan will be determined using principles consistent with section 19.01 above.
(2) Adopting employers of nonstandardized M&P plans and VS plans may rely on the opinion or advisory letter with respect to the requirements of §§ 410(b) and 401(a)(26) (other than the § 401(a)(26) requirements that apply to a prior benefit structure) if 100 percent of all nonexcludable employees benefit under the plan.
(3) Nonstandardized M&P plans must give adopting employers the option to elect a safe harbor allocation or benefit formula and a safe harbor compensation definition, unless the only formula under the plan is a cash balance formula. Adopting employers of nonstandardized M&P
plans that elect a safe harbor allocation or benefit formula and a safe harbor compensation definition may rely on an opinion letter with respect to the nondiscriminatory amounts requirement under § 401(a)(4). Adopting employers of nonstandardized M&P plans that are § 401(k) and/or § 401(m) plans may rely on an opinion letter with respect to whether the form of the plan satisfies the actual deferral percentage test of § 401(k)(3) or the actual contribution percentage test of § 401(m)(2) if the employer elects to use a safe harbor definition of compensation in the test. Adopting employers of nonstandardized M&P plans described in § 401(k)(11) and/or § 401(m)(12) may rely on an opinion letter with respect to whether the form of the plan satisfies these requirements unless the plan provides for the safe harbor contribution to be made under another plan.
(4) A VS plan may give an adopting employer the ability to select an allocation formula for employer nonelective contributions that satisfies one of the designbased safe harbors in § 1.401(a)(4)– 2(b)(2) or a benefit formula that satisfies one of the design-based safe harbors under § 1.401(a)(4)–3(b)(3), (4), or (5), and the ability to select a safe harbor compensation definition for such formula that satisfies § 1.414(s)–1(c). If the plan of the adopting employer allocates contributions or provides benefits using one of the designed based safe harbors in § 1.401(a)(4)–2(b)(2) or § 1.401(a)(4)– 3(b)(3), (4), or (5), and the plan defines compensation using a definition that satisfies § 1.414(s)–1(c) then the adopting employer may rely on an advisory letter with respect to the nondiscriminatory amounts requirement under § 401(a)(4).
(5) Except as provided in sections 5.16(2) and 14.08(2), adopting employers of M&P plans and VS plans that contain a cash balance formula with a structure of principal credits that increase with age, service, or other measure during a participant’s employment may not rely on a favorable opinion or advisory letter with respect to the requirements of § 411(b)(1).
.03 Other Limitations and Conditions on Reliance - The following conditions and limitations apply with respect to both M&P and VS plans:
(1) An adopting employer can rely on a favorable opinion or advisory letter for a plan that amends or restates a plan of the employer only if the plan that is being amended or restated was qualified.
(2) An adopting employer has no reliance if the employer’s adoption of the plan precedes the issuance of an opinion or advisory letter for the plan.
(3) An adopting employer will not have reliance on the opinion or advisory letter if the adoption agreement or other elective provisions in the plan are not completed correctly when adopted by the employer.
(4) An adopting employer may rely on an opinion or advisory letter only if the requirements of this section 19 are met, and the employer’s plan is identical to an approved M&P or specimen plan with a currently valid favorable opinion or advisory letter; that is, the employer has not added any terms to the approved M&P or VS plan and has not modified or deleted any terms of the plan other than choosing options permitted under the plan or, in the case of a M&P plan, amended the document as permitted under section 5.06 or 5.09 or, in the case of a VS plan, modified the document as permitted under sections 14 and 15. Thus, for example, in the case of a VS plan, the employer’s plan must be identical to the approved specimen plan except as the result of the employer’s selection among options that are permitted under the terms of the approved specimen plan and modifications permitted under sections 14 and 15.
For purposes of this section 19.03(3), a plan will not fail to be identical to an approved M&P or specimen plan if:
(a) The employer modifies or amends the plan to add or change a provision and/or to specify or change the effective date of a provision, provided the employer is permitted to make the modification or amendment under the terms of the approved M&P or specimen plan as well as under § 401(a) or 403(a), and, except for the effective date, the provision is identical to a provision in the approved plan;
(b) The employer, sponsor or VS practitioner adopts an interim or discretionary amendment in accordance with section 21 or Rev. Proc. 2007–44; or
(c) The employer adopts a model or sample amendment that the IRS has indi
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cated will not cause the plan to be treated as an individually designed plan.
For example, an employer is not required to restate its M&P or VS plan in order to change options under the plan or to specify different effective dates. Also see section 5.02, which limits an employer’s ability to amend a M&P plan without causing the plan to be treated as an individually designed plan, and section 5.11, which requires the employer to complete a new signature page when the employer changes options in a M&P adoption agreement. An adopting employer cannot rely on an opinion or advisory letter if the adopting employer has modified the terms of the plan’s approved trust in a manner that would cause the plan to fail to be qualified under § 401(a).
(5) An adopting employer of any pension plan in which the normal retirement age selected by the employer is less than age 62 will not have reliance on the opinion/advisory letter that such age is reasonably representative of the typical retirement age for the employer’s industry, as required by § 1.401(a)–1(b)(2).
.04 Reliance Equivalent to Determination Letter - If an employer can rely on a favorable opinion or advisory letter pursuant to this section, the opinion or advisory letter shall be equivalent to a favorable determination letter. For example, the favorable opinion or advisory letter shall be treated as a favorable determination letter for purposes of section 21 of Rev. Proc. 2015–6, regarding the effect of a determination letter, and section 4.03 of Rev. Proc. 2013–12, regarding the definition of “favorable letter” for purposes of EPCRS. Of course, the extent of the employer’s reliance may be limited, as provided in this section.
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