28 U.S.C. § 568

Practice of law prohibited

A United States marshal or deputy marshal may not practice law in any court of the United States.

(Added Pub. L. 89–554, § 4(c) , Sept. 6, 1966 , 80 Stat. 621 , § 575; renumbered § 568, Pub. L. 100–690, title VII, § 7608(a)(2)(B) , Nov. 18, 1988 , 102 Stat. 4514 .)