(a) Each regulated seller must ensure that sales of a scheduled listed chemical product at retail are made in accordance with this section and Sec. 1314.20.
(b) The regulated seller must place the product so that customers do not have direct access to the product before the sale is made (in this paragraph referred to as ``behind-the-counter'' placement). For purposes of this paragraph, a behind-the-counter placement of a product includes circumstances in which the product is stored in a locked cabinet that is located in an area of the facility where customers do have direct access. Mobile retail vendors must place the product in a locked cabinet.
(c) The regulated seller must deliver the product directly into the custody of the purchaser.