Mont. Code Ann. § 50-40-102
Intent -- purpose
50-40-102 . Intent -- purpose. The legislature finds and declares that the purposes of this part are as follows:
(1) to protect the public health and welfare by prohibiting smoking in public places and places of employment;
(2) to recognize the right of nonsmokers to breathe smoke-free air; and
(3) to recognize that the need to breathe smoke-free air has priority over the desire to smoke.