Montana Title 70. Property § 70-17-203. Covenants that run with land

(1) Except as provided in 70-1-522 and 70-17-212, every covenant contained in a grant of an estate in real property that is made for the direct benefit of the property or some part of the property then in existence runs with the land.

(2) Subsection (1) includes:

(3) A covenant for the addition of some new thing to real property or for the direct benefit of some part of the property not then in existence or annexed to the property, when contained in a grant of an estate in the property and made by the covenantor expressly for the covenantor's assigns or to the assigns of the covenantee, runs with the land so far as the assigns mentioned are concerned.