22 C.F.R. § 51.7 Verification of passports.
Title 22 - Foreign Relations
When required by the officials of a foreign government, an American Foreign Service office may verify a U.S. passport at the request of the bearer or of the foreign government.
Title 22: Foreign Relations
PART 51—PASSPORTS
Subpart A—General
§ 51.7 Verification of passports.