5 U.S.C. § 5581 — Definitions

an employee as defined by section 2105 of this title; and

an individual employed by the government of the District of Columbia;

a Federal land bank;

a Federal intermediate credit bank;

a regional bank for cooperatives; or

the Senate within the purview of section 36a of title 2; 1 and

per diem instead of subsistence, mileage, and amounts due in reimbursement of travel expenses, including incidental and miscellaneous expenses in connection therewith for which reimbursement is due;

allowances on change of official station;

quarters and cost-of-living allowances and overtime or premium pay;

amounts due for payment of cash awards for employees’ suggestions;

amounts due as refund of pay deductions for United States savings bonds;

payment for accumulated and current accrued annual or vacation leave equal to the pay the deceased employee would have received had he lived and remained in the service until the end of the period of annual or vacation leave;

amounts of checks drawn for pay and allowances which were not delivered by the Government to the employee during his lifetime;

amounts of unnegotiated checks returned to the Government because of the death of the employee; and

retroactive pay under section 5344(a) (2) of this title.