Maryland Family Law Section 2-502
§ 2-502.
  (a)   In this section, "foreign marriage" means a marriage ceremony:
    (1)   performed outside this State; and
    (2)   in which 1 or both of the parties were or are citizens of this State.
  (b)   Each clerk shall keep a foreign marriage record book in the clerk's office. The clerk shall record a foreign marriage when presented with either:
    (1)   a certificate of marriage signed by the individual who performed the marriage ceremony; or
    (2)   an official certified copy of a marriage record.
  (c)   On request, the clerk shall provide, under the seal of the court, certification of a foreign marriage in the same manner as the clerk issues certification of a marriage ceremony performed in this State.