Maryland Family Law Section 9.5-304

      (a)      A court of this State that does not have jurisdiction to modify a child custody determination may issue a temporary order enforcing:

            (1)      a visitation schedule made by a court of another state; or

            (2)      the visitation provisions of a child custody determination of another state that does not provide for a specific visitation schedule.

      (b)      (1)      If a court of this State makes an order under subsection (a)(2) of this section, it shall specify in the order a period that it considers adequate to allow the petitioner to obtain an order from a court having jurisdiction under the criteria specified in Subtitle 2 of this title.

            (2)      The order remains in effect until an order is obtained from the other court or the period expires.