25-9-303. Filing of transcript of docket of federal court -- lien -- expiration. (1) A transcript of the original docket of a judgment that is rendered in the circuit or district court of the United States, ninth circuit, district of Montana, and that is certified by the clerk of court may be filed with the district court clerk of any county. From the time of the filing, the judgment becomes a lien upon all real property of the judgment debtor that is not exempt from execution in the county and that is either owned by the judgment debtor at the time or afterward acquired by the judgment debtor before the lien expires. Except as provided in subsection (2), the lien continues for 10 years unless the judgment is previously satisfied.
(2) When the judgment is for the payment of child support, the lien continues for 10 years from the termination of the support obligation or 10 years from entry of a lump-sum judgment or order for support arrears, whichever is later, unless the judgment is previously satisfied.