. . . . "Sec. 161.086. VENDOR ASSISTED SALES REQUIRED; VENDING MACHINES. (a) Except as provided by Subsection (b), a retailer or other person may not:(1) offer cigarettes or tobacco products for sale in a manner that permits a customer direct access to the cigarettes or tobacco products; or(2) install or maintain a vending machine containing cigarettes or tobacco products.(b) Subsection (a) does no" .