Whoever, whether as applicant, declarant, petitioner, witness or otherwise, in any naturalization or citizenship proceeding, knowingly personates another or appears falsely in the name of a deceased person or in an assumed or fictitious name; or

Whoever knowingly and unlawfully uses or attempts to use, as showing naturalization or citizenship of any person, any order, certificate, certificate of naturalization, certificate of citizenship, judgment, decree, or exemplification, or copies or duplicates thereof, issued to another person, or in a fictitious name or in the name of a deceased person—

Shall be fined under this title or imprisoned not more than five years, or both.