Mont. Code Ann. § 15-18-112 — Redemption From Property Tax Lien -- Lien On Interest In Property For Taxes Paid

15-18-112 . Redemption from property tax lien -- lien on interest in property for taxes paid. (1) (a) Except as provided in subsections (1)(b) and (4), in all cases in which a property tax lien has been assigned, the assignee may pay the subsequent taxes assessed against the property, once delinquent, on or after June 1 and prior to July 31 if the taxes have not been paid by the property owner.
(b) If the property qualifies for the property tax assistance program provided for in 15-6-305 and the taxes have not been paid by the property owner, the subsequent taxes may be paid after the time period provided for in 15-16-102 (4)(b) and prior to July 31.
(2) Upon redemption of the property tax lien, the redemptioner shall pay, in addition to the amount of the property tax lien, including penalties, interest, and costs, the subsequent taxes assessed, with interest and penalty at the rate established for delinquent taxes in 15-16-102 .
(3) An owner of less than all of the interest or a lienholder with an interest in real property who redeems a property tax lien on the property has a lien for the taxes paid on the interests of the property that are not owned by the redemptioner.
(4) The property tax lien may also be redeemed for a particular tax year as provided in 15-16-102 (5) if:
(a) the property tax lien for the year in which the partial payment is made is owned by the county; and
(b) the tax deed has not been issued pursuant to 15-18-211 or 15-18-220 .