Maryland Statutes
Part VI - Registration, Enforcement, and Modification of Support Order
Section 10-351 - Recognition of Order Modified in Another State

If a child support order issued by a tribunal of this State is modified by a tribunal of another state which assumed jurisdiction pursuant to the Uniform Interstate Family Support Act, a tribunal of this State:
        (1)    may enforce its order that was modified only as to arrears and interest accruing before the modification;
        (2)    may provide appropriate relief for violations of its order which occurred before the effective date of the modification; and
        (3)    shall recognize the modifying order of the other state, upon registration, for the purpose of enforcement.