Maryland Criminal Law Section 10-502
§ 10-502.
  (a)   This section does not apply to a person if:
    (1)   the person's previous lawful spouse has been absent from the person for a continuous period of 7 years; and
    (2)   the person does not know whether the person's previous lawful spouse is living at the time of the subsequent marriage ceremony.
  (b)   While lawfully married to a living person, a person may not enter into a marriage ceremony with another.
  (c)   A person who violates this section is guilty of the felony of bigamy and on conviction is subject to imprisonment not exceeding 9 years.
  (d)   An indictment or warrant for bigamy is sufficient if it substantially states:
  "(name of defendant) on (date), in (county), having a living spouse, feloniously entered into a marriage ceremony with (name of subsequent spouse), in violation of § 10-502 of the Criminal Law Article, against the peace, government, and dignity of the State.".