A lien is extinguished by the lapse of the time within which, under the provisions of Title 27, an action can be brought upon the principal obligation.
Mont. Code Ann. § 71-3-122, under General Provisions.
Mont. Code Ann. § 71-3-122
A lien is extinguished by the lapse of the time within which, under the provisions of Title 27, an action can be brought upon the principal obligation.