Mont. Code Ann. § 76-3-304
The recording of any plat made in compliance with the provisions of this chapter shall serve to establish the identity of all lands shown on and being a part of such plat. Where lands are conveyed by reference to a plat, the plat itself or any copy of the plat properly certified by the county clerk and recorder as being a true copy thereof shall be regarded as incorporated into the instrument of conveyance and shall be received in evidence in all courts of this state.
History: En. Sec. 12, Ch. 500, L. 1973; amd. Sec. 8, Ch. 334, L. 1974; R.C.M. 1947, 11-3870(3).