Montana Title 25. Civil Procedure § 25-13-101. Time limit for issuing execution

(1) The party in whose favor the judgment is given may, at any time within the time period prescribed in 27-2-201(1) and (2), have a writ of execution issued for its enforcement.

(2) When the judgment is for the payment of child support, the party in whose favor the judgment is given may, at any time within 10 years after the termination of the support obligation or within 10 years from entry of a lump-sum judgment or order for support arrears, whichever is later, have a writ of execution issued for its enforcement.