Defined Benefit Plan - Curtailment Gain (Plan Freeze / Mass Layoff)
Recording a curtailment when future accruals are eliminated through a plan freeze or significant employee reduction, immediately recognizing related prior service costs and the reduction in future expected benefit costs.
| Account Name | Type | Debit ($) | Credit ($) |
|---|---|---|---|
| Curtailment Gain - Pension (Non-Operating) | Income (+) | - | 18,500,000.00 |
| Projected Benefit Obligation - Curtailment Reduction | Liability (-) | 18,500,000.00 | - |
| Accumulated OCI - Prior Service Cost (Released for Curtailed Group) | OCI (+) | 12,000,000.00 | - |
| Curtailment Gain (Net of PSC Released) | Income (+) | - | 6,500,000.00 |
💡 Accountant's Note
A curtailment occurs when: (1) a significant number of employees are no longer expected to accrue future benefits (facility closure, mass layoffs eliminating future service), or (2) all future benefit accruals are eliminated (plan freeze). The curtailment gain comes from the reduction in the PBO for eliminated future service. Any prior service cost in AOCI attributable to the curtailed employee group is simultaneously released. Net curtailment gain/loss = PBO reduction gain − PSC released (if PSC was a cost, not a credit). Recognized when the curtailment is probable and can be estimated — typically when the plan amendment or workforce reduction is formally adopted.
Practitioner & Systems Framework
💻 ERP Architecture
For a hard freeze (all accruals stop for all employees), service cost drops to zero for all future periods. For a soft freeze (no new entrants, existing employees continue to accrue), the actuarial impact is measured only for the closed group. Curtailments must be distinguished from plan terminations (which trigger full settlement accounting). A partial plan termination triggers different ERISA vesting rules — affecting 20%+ workforce reduction scenarios.
⚠️ Audit Flags
Auditors assess the curtailment date — it is the earlier of: (a) when the workforce reduction is communicated to employees, or (b) when the plan amendment is effective. Early recognition before formal adoption is not permitted. The measurement of PBO reduction requires actuarial data for the specific affected employee group. ERISA partial termination vesting rules (20% rule) are assessed separately from the accounting curtailment.
📄 Required Documentation
Board resolution committing to the freeze or workforce reduction, plan amendment (for freeze), actuarial measurement of PBO impact for affected group, prior service cost allocation to affected vs. non-affected employees, curtailment gain/loss calculation, workforce reduction communication to employees, ERISA partial termination vesting analysis.
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