Civil Service Retirement System Overview
(CSRS and CSRS Offset)

The Civil Service Retirement System (CSRS) is the older of two defined benefit plans covering many U.S. federal government and postal employees.

CSRS CSRS
Generally, all federal and postal employees hired before 1984 (unless they opted for FERS coverage in one of the open seasons in 1987 or 1998) [ MORE ]

CSRS Offset CSRS Offset
Generally, an employee having five or more years of CSRS coverage prior to Jan. 1, 1987, a break in service exceeding 365 days, and was rehired by the government following the break (after Dec. 31, 1983) [ MORE ]