Minn. Stat. § 518C.616: PROCEDURE TO REGISTER CHILD SUPPORT ORDER OF FOREIGN COUNTRY FOR MODIFICATION.

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 sections 518C.601 to 518C.608 if the order has not been registered. A petition for modification may be filed at the same time as a request for registration, or at another time. The petition must specify the grounds for modification.