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 were previously 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