5 CFR 831.1001 : Administrative Personnel (§ 1.1 To Parts 10003-10049) — (Parts 700-714 To Parts 1002-1199) — Office Of Personnel Management (Continued) (Parts 700-714 To Parts 1002-1199) — Civil Service Regulations (Continued) (Parts 700-714 To Part 990) — Retirement (§ 831.101 To § 831.2209) — Csrs Offset (§ 831.1001 To § 831.1006) — Purpose.

This subpart sets forth the provisions concerning employees and Members who are simultaneously covered by the Old Age, Survivors, and Disability Insurance (OASDI) tax and the Civil Service Retirement System (CSRS). Except as provided under this subpart, these employees and Members are treated the same as other covered employees and Members under the CSRS.