[Code of Federal Regulations] [Title 22, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 22CFR51.23] [Page 245] TITLE 22--FOREIGN RELATIONS CHAPTER I--DEPARTMENT OF STATE PART 51_PASSPORTS--Table of Contents Subpart B_Application Sec. 51.23 Name of applicant to be used in passport. The passport application shall contain the full name of the applicant. The applicant shall explain any material discrepancies between the name to be placed in the passport and the name recited in the evidence of citizenship and identity submitted. The passport issuing office may require documentary evidence or affidavits of persons having knowledge of the facts to support the explanation of the discrepancies. [SD-165, 46 FR 2343, Jan. 9, 1981]