5 CFR §839.812
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
No, if you were erroneously in CSRS, CSRS Offset, or Social Security-Only, then a correction of a retirement coverage error will not reduce the employer retirement contribution owed. Also, the FERCCA states that an employer may not remove from the Fund FERS employer contributions when correcting a qualifying retirement coverage error under this part.