C.R.S. § 25-14-205

(1) This part 2 does not apply to: (a) Private homes, private residences, and private automobiles; except that this part 2 shall apply if any such home, residence, or vehicle is being used for child care or day care or if a private vehicle is being used for the public transportation of children or as part of health-care or day care transportation; (b) Limousines under private hire; (c) Repealed. (d) Any retail tobacco business; except that the requirements in section 25-14-204 (3) and any related penalties apply to a retail tobacco business; (e) A cigar-tobacco bar; (f) Repealed. (g) The outdoor area of any business; (h) Repealed. (i) A private, nonresidential building on a farm or ranch, as defined in section 39-1-102 , that has annual gross income of less than five hundred thousand dollars; or (j) and (k) Repealed. (l) If authorized by local ordinance, license, or regulation, the licensed premises of a marijuana hospitality business licensed pursuant to section 44-10-609 or a retail marijuana hospitality and sales business licensed pursuant to section 44-10-610 ; except that this exception only applies to the smoking of marijuana and does not allow the smoking of tobacco within such premises.