Mont. Code Ann. § 81-7-505

Any landowner having residence and domicile in Montana may engage in the aerial hunting of predatory animals, as defined in 81-7-101, over that person's own land without a permit, provided the landowner annually notifies the department in writing that the landowner will be engaged in aerial hunting and gives an adequate description of the location of the land over which the landowner will aerially hunt. Aerial hunting must be in accordance with all rules of the department of livestock.