The summons, as provided in 25-15-101, must describe the judgment and require the person summoned to show cause why the person should not be bound by it and must be served in the same manner and returnable within the same time as the original summons.
Content And Service Of Summons
Mont. Code Ann. § 25-15-102, under Applying Judgment to Joint Debtor.
Mont. Code Ann. § 25-15-102