28 U.S.C. § 550
Clerical assistants, messengers, and private process servers
The United States attorneys may employ clerical assistants, messengers, and private process servers on approval of the Attorney General.
(Added Pub. L. 89–554, § 4(c) , Sept. 6, 1966 , 80 Stat. 619 ; amended Pub. L. 101–647, title XXXVI, § 3626(a) , Nov. 29, 1990 , 104 Stat. 4965 .)