§10–353.2.

    (a)    A party or support enforcement agency seeking to modify, or to modify and enforce, a foreign child support order not under the Convention may register that order in this State under §§ 10–340 through 10–347 of this subtitle if the order has not been registered. A complaint for modification may be filed at the same time as a request for registration, or at another time.

    (b)    The complaint shall specify the grounds for modification.