18 U.S.C. § 499

Whoever falsely makes, forges, counterfeits, alters, or tampers with any naval, military, or official pass or permit, issued by or under the authority of the United States, or with intent to defraud uses or possesses any such pass or permit, or personates or falsely represents himself to be or not to be a person to whom such pass or permit has been duly issued, or willfully allows any other person to have or use any such pass or permit, issued for his use alone, shall be fined under this title or imprisoned not more than five years, or both.