Code of Federal Regulations Title 5. Administrative Personnel § 5.842.102 Definitions

(1) A justice or judge of the United States as defined by 28 U.S.C. 451;

(2) A temporary employee of the Administrative Office of the United States Courts or of a court named by 28 U.S.C. 610;

(3) A construction employee or other temporary, part-time, or intermittent employee of the Tennessee Valley Authority;

(4) A student employee as defined by 5 U.S.C. 5351;

(5) Teachers in dependents' schools of the Department of Defense in overseas areas with respect to Federal employment, other than teaching, performed during a recess period between two school years;

(6) An individual subject to another retirement system for Government employees (other than an employee of the United States Park Police, or the United States Secret Service) any of whose civilian employment after December 31, 1983, is employment subject to social security;  and

(7) An individual excluded by OPM regulation in § 842.105.

FERS means the Federal Employees Retirement System as described in chapter 84 of title 5, United States Code.

Member has the same meaning provided in 5 U.S.C. 2106, except that the term does not include an individual who irrevocably elects, by written notice to the official by whom such individual is paid, not to participate in FERS.

NAF employee means an employee of an instrumentality described in section 2105(c) of title 5, United States Code.

OPM means the Office of Personnel Management.

Social security means coverage under the Old Age, Survivors, and Disability Insurance (OASDI) programs of the Social Security Act.