4 U.S.C.
United States Code, 2023 Edition
Title 4 - FLAG AND SEAL, SEAT OF GOVERNMENT, AND THE STATES
CHAPTER 3 - SEAT OF THE GOVERNMENT
Sec. 72 - Public offices; at seat of Government
From the U.S. Government Publishing Office, www.gpo.gov
§72. Public offices; at seat of Government
All offices attached to the seat of government shall be exercised in the District of Columbia, and not elsewhere, except as otherwise expressly provided by law.
(July 30, 1947, ch. 389, 61 Stat. 643.)