Mont. Code § 81-9-302
The department may adopt and enforce rules or orders necessary for the supervision, control, and inspection of rendering or disposal plants or establishments, their standards and methods of operation and their sanitary conditions, and the supervision, control, and inspection of equipment of the plant, where the rendering or disposal plants or establishments are intended to be operated for the disposal of bodies or parts of bodies of dead animals or fowl in any manner, except for human consumption. Vehicles and equipment used for the transportation of these bodies or parts of bodies are subject to the rules or orders adopted by the department which are applicable to the vehicles or equipment. Sections 81-9-301 through 81-9-306 do not apply to the slaughtering and handling of animals or fowl for human consumption.
§ 81-9-302, MCA