Mont. Code Ann. § 15-1-2305

15-1-2305 . (Temporary) Definitions. As used in this part, the following definitions apply:

(1) "Montana property taxes" means the ad valorem property taxes, special assessments, and other fees imposed on property classified under 15-6-134 that is a single-family dwelling unit, unit of a multiple-unit dwelling, trailer, manufactured home, or mobile home and as much of the surrounding land, not exceeding 1 acre, as is reasonably necessary for its use as a dwelling and that were assessed and paid by the taxpayer for tax year 2024. The amount of Montana property taxes assessed and paid is equal to the total amount billed by the local government for the dwelling as shown on the 2024 property tax bill received by the taxpayer with a first-half payment due in or around November 2024 and a second-half payment due in or around May 2025.

(2) "Owned" includes purchasing under a contract for deed and being the grantor or grantors under a revocable trust indenture.

(3) (a) "Principal residence" means, subject to the provisions of subsection (3)(b), a dwelling:

(i) in which an owner can demonstrate the owner owned and lived for at least 7 months of the year for which the property tax rebate is claimed;

(ii) that is the only residence for which the taxpayer claims the property tax rebate; and

(iii) for which the taxpayer made payment of the assessed Montana property taxes during tax year 2024.

(b) A taxpayer who cannot meet the requirements of subsection (3)(a)(i) because the owner's principal residence changed during the tax year to another principal residence may still claim the property tax rebate if the taxpayer paid the Montana property taxes while residing in each principal residence for a total of at least 7 consecutive months for the 2024 tax year.

(4) "Tax year 2024" means the period January 1, 2024, through December 31, 2024. (Terminates June 30, 2026--sec. 29, Ch. 767, L. 2025.)