Supplemental Executive Retirement Plan (SERP) - Benefit Obligation Accrual
Accruing the present value of supplemental retirement benefits promised to executives under a SERP — a non-qualified DB plan that provides benefits exceeding IRC Section 415/401(a)(17) limits of the qualified pension plan.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| SERP Expense - Service Cost (Operating) | Expense (+) | 850,000.00 | - |
| SERP Expense - Interest Cost (Non-Operating) | Expense (+) | 2,100,000.00 | - |
| SERP Liability - Projected Benefit Obligation | Liability (+) | - | 2,950,000.00 |
💡 Accountant's Note
SERPs (Supplemental Executive Retirement Plans) are non-qualified DB arrangements that provide executives benefits that cannot be provided in the qualified pension plan due to IRC limits (2024: $69,000 annual benefit limit under Section 415; $345,000 compensation cap under Section 401(a)(17)). A top executive earning $2M/year cannot receive a full pension formula benefit in the qualified plan — the SERP provides the 'wrap' above the qualified plan benefit. SERPs are unfunded (no trust assets — just an unsecured promise), fully taxable to the executive when received, and subject to Section 409A distribution rules. Accounted for under ASC 715 with the same service cost, interest cost, and actuarial framework as qualified DB plans.
Practitioner & Systems Framework
💻 ERP Architecture
SERP liabilities are typically small in the aggregate (covering only senior executives) but can be individually significant for long-tenured executives in high-compensation positions. The SERP PBO uses the same discount rate as the qualified pension plan. For individual executive SERPs (sometimes called 'split-dollar' life insurance SERPs), the benefit promise is typically documented in an individual employment agreement rather than a formal plan document.
⚠️ Audit Flags
Auditors verify that all SERP obligations are captured — particularly informal promises in employment agreements, board resolutions, or CEO letters that constitute binding commitments. Change-in-control provisions (which accelerate SERP benefits) create contingent liabilities. Section 409A compliance of SERP distribution timing is critical — key employee 6-month delay rules apply.
📄 Required Documentation
SERP plan document or individual employment agreements, actuarial valuation of SERP PBO, participant census (senior executives only), Section 409A compliance review, change-in-control acceleration analysis, SERP expense rollforward, Section 415/401(a)(17) limit calculation showing why supplemental benefits are needed.
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