5 U.S. Code § 5921
5.U.S. Code § 5921 is about Definitions. It is under Subchapter III (Overseas Differentials And Allowances) of Chapter 59 (Allowances) of Subpart D (Pay and Allowances) of Part III (Employees) of Title 5 (Government Organizations and Employees) of the Code.
For the purpose of this subchapter—
(1)“Government” means the Government of the United States;
(2)“agency” means an Executive agency and the Library of Congress, but does not include a Government controlled corporation;
(3)“employee” means an employee in or under an agency and more specifically defined by regulations prescribed by the President;
(4)“United States”, when used in a geographical sense, means the several States and the District of Columbia;
(5)“continental United States” means the several States and the District of Columbia, but does not include Alaska or Hawaii; and
(6)“foreign area” means—
(A)the Trust Territory of the Pacific Islands; and
(B)any other area outside the United States, the Commonwealth of Puerto Rico, the Canal Zone, and territories and possessions of the United States.