Montana Title 70. Property § 70-33-303. Landlord to maintain premises--agreement that tenant perform duties

(a) comply with the requirements of applicable building, housing, and health department codes materially affecting health and safety at the time of original construction;

(b) make repairs and do whatever is necessary to put and keep the premises in a fit and habitable condition except when it is the tenant's responsibility to maintain the dwelling unit pursuant to 70-33-321;

(c) keep all common areas of the premises in a clean and safe condition;

(d) for the premises, maintain in good and safe working order and condition all electrical, plumbing, sanitary, heating, ventilating, air-conditioning, and other facilities and appliances, including elevators, supplied or required to be supplied by the landlord;

(e) unless otherwise provided in a rental agreement, provide and maintain appropriate receptacles and conveniences for the removal of ashes, garbage, rubbish, and other waste incidental to the occupancy of the lot and arrange for their removal; and

(f) supply running water at all times unless the lot is not required by law to be equipped for that purpose or the running water is generated by an installation within the exclusive control of the tenant.

(a) the agreement of the parties is entered into in good faith and not for the purpose of evading the obligations of the landlord and is set forth in a separate writing signed by the parties and supported by adequate consideration;

(b) the work is not necessary to cure noncompliance with subsection (1)(a); and

(c) the agreement does not diminish the obligation of the landlord to other tenants.