A. Smoking shall be prohibited in (i) elevators, regardless of capacity, except in any open material hoist elevator not intended for use by the general public; (ii) public school buses; (iii) the interior of any public elementary, intermediate, and secondary school; (iv) hospital emergency rooms; (v) local or district health departments; (vi) polling rooms; (vii) indoor service lines and cashier lines; (viii) public restrooms in any building owned or leased by the Commonwealth or any agency thereof; (ix) the interior of a child day center licensed pursuant to § 22.1-289.011 that is not also used for residential purposes; however, this prohibition shall not apply to any area of a building not utilized by a child day center, unless otherwise prohibited by this chapter; and (x) public restrooms of health care facilities.