Montana Title 7. Local Government § 7-21-2403. Scope of part

(1) Nothing contained in this part is intended to operate so as to impair, abridge, or interfere with the right of any incorporated municipality within this state to enact local laws or ordinances dealing with the subject of this part.

(2) The provisions of this part shall not apply to duly constituted city markets operated by authority of any city or town.

(3) Nothing contained in this part is intended to operate so as to interfere with the power of the United States to regulate commerce between the states, as such power is defined by the supreme court of the United States.