5 CFR §630.407
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Sick leave used in the computation of an annuity is charged against an employee's sick leave account and may not thereafter be used, transferred, or recredited. All sick leave to the credit of an employee as of the date of his or her retirement (or death) and reported to OPM for credit towards the calculation of an annuity is considered used.