Md. Code Ann., Fam. Law § 10-312
A tribunal of this State shall credit amounts collected for a particular period pursuant to any child support order against the amounts owed for the same period under any other child support order for support of the same child issued by a tribunal of this State, another state, or a foreign country.
Added as Family Law § 10-310 by Acts 1996, c. 667, § 2, eff. Jan. 1, 1997. Renumbered as Family Law § 10-312 by Acts 1997, c. 609, § 1, eff. July 1, 1997. Amended by Acts 2008, c. 522, § 1, eff. Oct. 1, 2008; Acts 2015, c. 308, § 2, eff. July 1, 2015.