5 CFR § 839.1002 - Will OPM compute the lost earnings if my qualifying retirement coverage error was previously corrected and I made TSP make-up contributions?

---
identifier: "/us/cfr/t5/s839.1002"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "5 CFR § 839.1002 - Will OPM compute the lost earnings if my qualifying retirement coverage error was previously corrected and I made TSP make-up contributions?"
title_number: 5
title_name: "Administrative Personnel"
section_number: "839.1002"
section_name: "Will OPM compute the lost earnings if my qualifying retirement coverage error was previously corrected and I made TSP make-up contributions?"
chapter_name: "OFFICE OF PERSONNEL MANAGEMENT"
subchapter_number: "B"
subchapter_name: "CIVIL SERVICE REGULATIONS"
part_number: "839"
part_name: "CORRECTION OF RETIREMENT COVERAGE ERRORS UNDER THE FEDERAL ERRONEOUS RETIREMENT COVERAGE CORRECTIONS ACT"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Title II, Pub. L. 106-265, 114 Stat. 770."
regulatory_source: "66 FR 15609, Mar. 19, 2001, unless otherwise noted."
cfr_part: "839"
---


# 839.1002 Will OPM compute the lost earnings if my qualifying retirement coverage error was previously corrected and I made TSP make-up contributions?

If you made contributions to the TSP after your qualifying retirement coverage error was previously corrected, OPM will compute the lost earnings on your make-up contributions to the TSP under the following circumstances:

| You were in: | And werepreviously corrected to: | And under these rules you elect: |
| --- | --- | --- |
| CSRS | FERS | FERS. |
| CSRS Offset | FERS |  |
| Social Security-Only | FERS | No election required. |
| Social Security-Only | CSRS |  |
| Social Security-Only | CSRS Offset |  |