Minn. Stat. § 518A.62: CHILD SUPPORT DEBT AND ARREARAGE MANAGEMENT.

In order to reduce and otherwise manage support debts and arrearages, the parties, including the public authority where arrearages have been assigned to the public authority, may compromise unpaid support debts or arrearages owed by one party to another, whether or not docketed as a judgment. A party may agree or disagree to compromise only those debts or arrearages owed to that party.