43 C.F.R. § 402.4 Citizenship requirement.
Title 43 - Public Lands: Interior
Before patent may be issued to a purchaser under the regulations in this subpart, he must furnish satisfactory evidence that he is a citizen of the United States.
Title 43: Public Lands: Interior
PART 402—SALE OF LANDS IN FEDERAL RECLAMATION PROJECTS
Subpart A—Public Lands
§ 402.4 Citizenship requirement.

