For the purposes of this chapter, definitions found in Iowa Code section 142D.2 and the following definitions apply:
"Ashtray" means any receptacle, including a can, bottle, bowl, tray, or other vessel that is used for extinguishing or disposing of any lighted cigar, cigarette, pipe, or other tobacco product in any manner or form including ash, cigarette butts or filters, or cigar stubs. However, "ashtray" shall not include any receptacle located outdoors and on the perimeter of any public place, the perimeter of the grounds of any public building, the perimeter of school grounds, or the perimeter of any other outdoor space subject to the prohibition in Iowa Code chapter 142D.
"Entrance" means any doorway to an enclosed area used by the public or employees for ingress to any public place or place of employment, but does not include any doorway designated for use as an exit in an emergency only. "Entrance" also includes the commonly understood points of entry to an outdoor area, subject to the prohibitions of this chapter, such as a driveway, sidewalk, pathway, access road, gate, or dedicated point of entry, but not including a street, road, highway, or sidewalk in the public right-of-way.
"Grounds of any public building" means an outdoor area of a public building that is used in connection with the building, including but not limited to a sidewalk or driveway immediately adjacent to the building, but not including a sidewalk in the public right-of-way; a sitting or standing area immediately adjacent to the building; a patio; a deck; a curtilage or courtyard; a swimming or wading pool; a beach; or any other outdoor area as designated by the person having custody or control of the public building. A person having custody or control of a public building may exclude from the designated grounds of any public building the following: a parking lot, the course of play at a golf course, a hiking trail, locations of an individual campsite or campfire, or a lake, river, or other body of water. Nothing in this definition prohibits any owner, operator, manager, or other person having custody or control of an area that is exempt from the prohibitions of Iowa Code chapter 142D from declaring the entire area or property a nonsmoking place.
"Public building" means an enclosed area owned, leased, or operated by or under the control of the state government or its political subdivisions.
"Solid wall" means any physical barrier, whether temporary or permanent, covering more than 75 percent of the combined surface area of the vertical planes constituting the perimeter of the area. Solid walls also include the floor and ceiling of the enclosed area.
Iowa Admin. Code r. 641-153.1