5 U.S.C. § 5581 — Definitions

For purposes of this subchapter—
(1) “employee” means—
(A) an employee as defined by section 2105 of this title; and
(B) an individual employed by the government of the District of Columbia. But it does not include an employee of—
(i) a Federal land bank;
(ii) a Federal intermediate credit bank;
(iii) a regional bank for cooperatives; or
(iv) the Senate within the scope of section 36a of title 2.

(2) “money due” means the pay and allowances owed for the services of a deceased employee of the Government of the United States or the government of the District of Columbia. It includes, but is not limited to—
(A) per diem instead of subsistence, mileage, and amounts owed as reimbursement for travel expenses, including related incidental and miscellaneous expenses for which reimbursement is owed;
(B) allowances when the employee’s official station changes;
(C) quarters and cost-of-living allowances, and overtime or premium pay;
(D) amounts owed for cash awards for employee suggestions;
(E) amounts owed as refunds of pay deductions for United States savings bonds;
(F) payment for accumulated and currently accrued annual or vacation leave, equal to the pay the deceased employee would have received if the employee had lived and remained in service until that leave period ended;
(G) amounts of pay and allowance checks that the Government did not deliver to the employee while the employee was alive;
(H) amounts of unnegotiated checks returned to the Government because the employee died; and
(I) retroactive pay under section 5344(a)(2) of this title.

“Money due” does not include benefits, refunds, or interest payable under subchapter III of chapter 83 of this title that apply to the deceased employee’s service. It also does not include amounts whose disposition another Federal statute expressly prescribes. This section does not define the terms it incorporates by reference.