22 C.F.R. § 40.3 Entry into areas under U.S. administration.
Title 22 - Foreign Relations
An immigrant or nonimmigrant seeking to enter an area which is under U.S. administration but which is not within the “United States”, as defined in INA 101(a)(38), is not required by the INA to be documented with a visa unless the authority contained in INA 215 has been invoked.
Title 22: Foreign Relations
PART 40—REGULATIONS PERTAINING TO BOTH NONIMMIGRANTS AND IMMIGRANTS UNDER THE IMMIGRATION AND NATIONALITY ACT, AS AMENDED
Subpart A—General Provisions
§ 40.3 Entry into areas under U.S. administration.
