42 U.S.C. § 272 : US Code - Section 272: Administration of oaths by quarantine officers

Search 42 U.S.C. § 272 : US Code - Section 272: Administration of oaths by quarantine officers

Medical officers of the United States, when performing duties as
quarantine officers at any port or place within the United States,
are authorized to take declarations and administer oaths in matters
pertaining to the administration of the quarantine laws and
regulations of the United States.