FERS Supplement Earnings Test: How OPM Tracks Your Income and When the Reduction Hits

The Earnings Test Isn't What Most Retirees Expect

Federal retirees who've heard about the FERS supplement earnings test usually have the basics right — earn too much after retirement, and OPM reduces the supplement. But the mechanics are different from what they assume.

The test doesn't work like tax withholding. OPM doesn't monitor your paycheck in real time. There's no automatic payroll deduction when you exceed the limit. Instead, the entire system runs on an annual, retrospective cycle — and that lag between earning the income and seeing the reduction creates both planning opportunities and traps.

The Core Formula

For 2026, the annual exempt amount is $24,480. The reduction formula:

Annual Reduction = (Total Earned Income − $24,480) ÷ 2

The "$1 for every $2" language comes directly from Social Security's earnings test rules, which the FERS supplement mirrors under 5 U.S.C. § 8421a. The reduction is capped at the full annual value of the supplement — your supplement can be reduced to zero, but the underlying FERS annuity is not reduced by this test.

The Annual Reporting Cycle

Here's the timeline that surprises most retirees:

Year 1 (the earning year): You work and earn income. OPM doesn't know or care yet. Your full supplement continues uninterrupted throughout the entire calendar year.

Year 2, spring: OPM mails Form RI 92-22 (the Annuity Supplement Earnings Report) to every supplement recipient who has reached their MRA. The form asks you to report your prior-year earnings.

Year 2, by May 15: You complete and return Form RI 92-22, reporting your total earned income from the prior calendar year.

Year 2, July 1: OPM's reduction takes effect on this statutory date.

Year 2, August 1: Your first reduced check arrives. The monthly reduction amount is the annual reduction divided by 12.

The practical result: if you earned $40,000 in wages during 2026, the $7,760 annual reduction ($15,520 excess ÷ 2) wouldn't appear in your monthly checks until August 2027. That's a full 8-20 months after you earned the income that triggered it.

What Happens If You Don't Return the Form

OPM takes non-response seriously. If you don't return Form RI 92-22 by the deadline, OPM suspends the supplement entirely — not just the excess portion, but the whole thing. It stays suspended until you submit the form along with supporting documentation.

If you were under the limit and simply didn't bother returning the form because you assumed silence meant compliance, you'll need to submit the form late with proof (W-2s, tax return) to get the supplement reinstated.

The Reinstatement Process

If OPM reduces your supplement because of prior-year earnings, and your earnings then drop below the limit in a subsequent year, the supplement doesn't automatically bounce back. You must formally request reinstatement in writing.

The reinstatement package requires:

• A signed written request to OPM's Retirement Surveys and Students Branch
• Your IRS Form 1040 for the year showing reduced earnings
• All W-2 forms for that year
• A Social Security Administration Summary of Earnings Report

OPM processes reinstatement requests on its own timeline — not instantaneously. Plan for a multi-month gap between submitting the request and seeing your full supplement restored.

The Earned Income Definition

The earnings test mirrors Social Security's definition of earned income. The line between what counts and what doesn't is strict:

Active earned income (counts toward the $24,480 limit):

• W-2 wages from any employer, including federal reemployment
• Overtime, bonuses, commissions
• Net self-employment earnings (Schedule C or Schedule SE income after business deductions)
• Severance pay received after your retirement date
• Deferred compensation that was earned before retirement but paid afterward

Passive and retirement income (exempt from the test):

• FERS basic annuity payments
• The FERS supplement itself
• TSP distributions (partial withdrawals, installment payments, full withdrawals, RMDs)
• IRA distributions
• Rental income
• Interest and dividend income
• Capital gains
• Pension payments from other sources
• Military retired pay
• Social Security benefits
• Veterans' benefits
• Workers' compensation
• Your lump-sum annual leave payout at separation

The TSP exemption is particularly important for retirees planning their post-retirement income. TSP withdrawals — whether traditional or Roth — don't count as earned income for earnings test purposes, even though traditional TSP withdrawals are taxable income for federal income tax purposes. These are two completely different systems.

Exemptions From the Earnings Test

Two groups get partial or full exemptions:

Special category employees before MRA: Law enforcement officers, firefighters, and air traffic controllers who retire under enhanced provisions are completely exempt from the earnings test until they reach their standard FERS MRA (typically 56-57). A retired LEO who separates at 50 can earn unlimited income for 6-7 years before the test applies.

FAA contract instructors: Retired air traffic controllers who are reemployed as ATC instructors or supervisors under FAA contract are exempt from the earnings test on those specific earnings, even after reaching MRA. This is a narrow statutory carve-out under 5 U.S.C. § 8421a(c).

Everyone else — standard FERS retirees — is subject to the earnings test from the month after they reach their MRA.

Strategic Considerations

The retrospective nature of the test means your supplement payments during the earning year are effectively an interest-free advance that gets clawed back the following year. Some retirees use this to their advantage — taking a high-paying contract in year one, collecting both the contract income and full supplement, then absorbing the reduction in year two when they've stopped working.

Others prefer to keep earned income below the threshold and supplement their cash flow with TSP withdrawals, which are earnings-test-exempt. The breakeven analysis depends on your supplement amount, tax bracket, and whether the additional earned income pushes you into Social Security or Medicare IRMAA surcharge territory.

The FERS Special Retirement Supplement Guide includes the complete earnings test mechanics, a calculator to model different income scenarios, and a step-by-step guide to completing Form RI 92-22 — including the reinstatement process if your earnings drop back below the limit.

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