Bigamy. (a) A person commits the offense of bigamy if that person unlawfully and willfully marries any person while legally married to any other living person, provided that no person may be convicted of bigamy whose wife or husband has been absent for a period of five years and who has had no knowledge if the missing spouse is alive during that period. (b) For purposes of this section, “legally married” means a marriage sanctioned by civil or canon authority. (c) A person convicted of bigamy may be punished by imprisonment for not more than one year. Source: PL 3-71, § 1 (§ 463).