The links to the principal statutes enacted by Congress and the regulations adopted by OPM, which control the disability retirement process for FERS and CSRS government employees are provided below.

FERS Statutes And Regulations

The FERS disability retirement STATUTE which begins at 5 USC 8451 and runs through 5 USC 8456.  Use the "Next>" arrow at the top of the Cornell webpage to scroll down through the different sections of the statute which ends with section 8456.

The FERS disability retirement REGULATION which runs from 5 CFR 844.101 through Part 5 CFR 844.404.

CSRS Statutes And Regulations

The CSRS disability retirement STATUTE at 5 USC 8337.

The CSRS disability retirement REGULATION which runs from 5 USC 831.1201 through 5 USC 831.1213. Scroll down to 5 USC 831.1201 where the disability retirement part of the regulation begins.