Optional use of a valid passport.
22 C.F.R. § 53.4
in effectEffective: 2024-07-01Nothing in this part shall be construed to prevent a citizen from using a valid U.S. passport in a case in which that passport is not required by this part 53, provided such travel is not otherwise prohibited.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-22.xmlFetched: 7/26/2026
