Purchaser's Lien On Real Property

Mont. Code Ann. § 71-3-1302, under Liens on Real Estate.

Mont. Code Ann. § 71-3-1302

A person who pays to the owner any part of the price of real property under an agreement for the sale of real property has a special lien upon the property, independent of possession, for the part of the amount paid that the person is entitled to recover in case of a failure of consideration.