CFR > Title 5 - Administrative Personnel > CHAPTER I—OFFICE OF PERSONNEL MANAGEMENT > SUBCHAPTER B—CIVIL SERVICE REGULATIONS (parts 110 to 990) > PART 839—CORRECTION OF RETIREMENT COVERAGE ERRORS UNDER THE FEDERAL ERRONEOUS RETIREMENT COVERAGE CORRECTIONS ACT > SUBPART D—Retirement Coverage Elections for Errors That Were Not Previously Corrected (§839.401 to §839.411) > 839.401—What can I elect if I was put in CSRS or CSRS Offset by mistake?

839.401—What can I elect if I was put in CSRS or CSRS Offset by mistake?

If you were placed in CSRS or CSRS Offset due to a qualifying retirement coverage error and you should have been in FERS, you may elect CSRS Offset or FERS. If you were placed in CSRS or CSRS Offset due to a qualifying retirement coverage error and you should have been in Social Security-Only, you may elect CSRS Offset or Social Security-Only. This is summarized in the following chart:
You are in: And you belong in: You may elect:
CSRS FERS CSRS Offset or FERS.
CSRS Offset FERS
CSRS Social Security-Only CSRS Offset or Social Security-Only.
CSRS Offset Social Security-Only