General.
CFR · 2024-01-01 · US · Title 5
To be covered under FERS, an individual must: (a) Be an employee, Member, or specifically covered by another provision of law; (b) Be covered by social security; (c) Have retirement deductions withheld from pay and have agency contributions made; and (d) Be paid based on units of time.
official document · source cfr-2024 · id 5:§ 842.103