Montana Title 70. Property § 70-33-321. Tenant to maintain lot

(a) comply with all obligations primarily imposed upon tenants by applicable provisions of building and housing codes materially affecting health and safety;

(b) keep that part of the premises that the tenant occupies and uses as reasonably clean and safe as the condition of the premises permits;

(c) dispose of all ashes, garbage, rubbish, and other waste from the lot in a clean and safe manner;

(d) use in a reasonable manner all electrical, plumbing, sanitary, heating, ventilating, air-conditioning, and other facilities and appliances, including elevators, in the premises;

(e) conduct oneself and require other persons on the premises with the tenant's consent to conduct themselves in a manner that will not disturb the tenant's neighbors' peaceful enjoyment of the premises; and

(f) use the parts of the premises in a reasonable manner considering the purposes for which they were designed and intended.

(a) criminal production or manufacture of dangerous drugs, as prohibited by 45-9-110;

(b) operation of an unlawful clandestine laboratory, as prohibited by 45-9-132;

(c) gang-related activities, as prohibited by Title 45, chapter 8, part 4;

(d) unlawful possession of a firearm, explosive, or hazardous or toxic substance; or

(e) any activity that is otherwise prohibited by law.