Mont. Code Ann. § 16-11-313
Alternative nicotine products and vapor products -- local ordinance or resolution -- prohibition
16-11-313 . Alternative nicotine products and vapor products -- local ordinance or resolution -- prohibition. (1) A local government may not adopt or enforce any local ordinance or resolution that prohibits the sale of alternative nicotine products or vapor products.
(2) Subject to 16-11-311 , nothing in this section may be construed to restrict a local government from enacting reasonable ordinances or resolutions relating to the sale of alternative nicotine products or vapor products.