Smoking by participants in peer reviewed scientific studies related to the health effects of smoking may be allowed in a separated room ventilated at a rate of 60 cubic feet per minute per person pursuant to a policy that is approved by the commissioner and is established by the administrator of the program to minimize exposure of nonsmokers to smoke.
Sections 144.414 to 144.417 do not prohibit smoking by a Native American as part of a traditional Native American spiritual or cultural ceremony. For purposes of this section, a Native American is a person who is a member of an Indian tribe as defined in section 260.755, subdivision 12.
(1) private homes, private residences, or private automobiles when they are not in use as a place of employment, as defined in section 144.413, subdivision 1b; or
(2) a hotel or motel sleeping room rented to one or more guests.
Sections 144.414 to 144.417 do not prohibit the lighting of tobacco in a tobacco products shop by a customer or potential customer for the specific purpose of sampling tobacco products. For the purposes of this subdivision, a tobacco products shop is a retail establishment with an entrance door opening directly to the outside that derives more than 90 percent of its gross revenue from the sale of loose tobacco, plants, or herbs and cigars, cigarettes, pipes, and other smoking devices for burning tobacco and related smoking accessories and in which the sale of other products is merely incidental. "Tobacco products shop" does not include a tobacco department or section of any individual business establishment with any type of liquor, food, or restaurant license.
Sections 144.414 to 144.417 do not prohibit smoking in farm trucks, as defined in section 168.002, subdivision 8; implements of husbandry, as defined in section 168A.01, subdivision 8; and special mobile equipment, as defined in section 168.002, subdivision 31. This subdivision applies to farm trucks, implements of husbandry, and special mobile equipment, when being used for their intended purposes.
Sections 144.414 to 144.417 do not prohibit smoking in the house, garage, barns, and other buildings on a family farm that meet the following criteria: (1) the family farm is engaged in farming, as defined in section 500.24, subdivision 2, paragraph (a); (2) the family farm meets the definition of family farm under section 500.24, subdivision 2, paragraph (b), (c), (j), or (l); and (3) the family farm employs two or fewer persons who are not family members.
Sections 144.414 to 144.417 do not prohibit smoking by actors and actresses as part of a theatrical performance conducted in compliance with section 366.01. Notice of smoking in a performance shall be given to theater patrons in advance and shall be included in performance programs.