Before a passport is issued to any person by or under authority of the United States such person shall subscribe to and submit a written application which shall contain a true recital of each and every matter of fact which may be required by law or by any rules authorized by law to be stated as a prerequisite to the issuance of any such passport. If the applicant has not previously been issued a United States passport, the application shall be duly verified by his oath before a person authorized and empowered by the Secretary of State to administer oaths.
22 U.S. Code § 213 - Application for passport; verification by oath of initial passport
1968—Pub. L. 90–428 substituted provisions requiring that the initial passport application be duly verified under oath before a person authorized and empowered by the Secretary of State to administer oaths for provisions requiring that each passport application be duly verified under oath before a person authorized and empowered to administer oaths.
Pub. L. 106–113, div. B, § 1000(a)(7) [div. A, title II, § 236], Nov. 29, 1999, 113 Stat. 1536, 1501A–430, provided that: