5 U.S.C. § 5521

Definitions

For the purpose of this subchapter—

(1)

“agency” means—

(A)

an Executive agency;

(B)

the judicial branch;

(C)

the Library of Congress;

(D)

the Government Publishing Office; and

(E)

the government of the District of Columbia;

(2)

“employee” means an individual employed in or under an agency;

(3)

“head of each agency” means—

(A)

the Director of the Administrative Office of the United States Courts with respect to the judicial branch; and

(B)

the Mayor of the District of Columbia with respect to the government of the District of Columbia; and

(4)

“United States”, when used in a geographical sense, means the several States and the District of Columbia.

( Pub. L. 89–554 , Sept. 6, 1966 , 80 Stat. 479 ; Pub. L. 90–623, § 1(10) , Oct. 22, 1968 , 82 Stat. 1312 ; Pub. L. 96–54, § 2(a)(31) , Aug. 14, 1979 , 93 Stat. 383 ; Pub. L. 113–235, div. H, title I, § 1301(b) , Dec. 16, 2014 , 128 Stat. 2537 .)