22 C.F.R. § 50.4 Application for passport.
Title 22 - Foreign Relations
A claim to U.S. nationality in connection with an application for passport shall be determined by posts abroad in accordance with the regulations contained in part 51 of this chapter.
Title 22: Foreign Relations
PART 50—NATIONALITY PROCEDURES
Subpart A—Procedures for Determination of United States Nationality of a Person Abroad
§ 50.4 Application for passport.