Md. Code, Fam. Law § 9.5-203

Current with changes from the 2024 legislative session from Chs. 2 through 1049, effective on or before 6/1/2024
Section 9.5-203 - Modification of out-of-state custody determination

Except as otherwise provided in § 9.5-204 of this subtitle, a court of this State may not modify a child custody determination made by a court of another state unless a court of this State has jurisdiction to make an initial determination under § 9.5-201(a)(1) or (2) of this subtitle and:

(1) the court of the other state determines it no longer has exclusive, continuing jurisdiction under § 9.5-202 of this subtitle or that a court of this State would be a more convenient forum under § 9.5-207 of this subtitle; or
(2) a court of this State or a court of the other state determines that the child, the child's parents, and any person acting as a parent do not presently reside in the other state.

Md. Code, FL § 9.5-203