Each vehicle or container of such petroleum products while in transit for delivery shall be accompanied by a delivery ticket and a duplicate original thereof, on which shall be distinctly expressed in ink or other indelible substance (a) in pounds, the gross and tare weights of the vehicle or container; (b) the net weight of such petroleum products contained in such vehicle or container and its specific gravity or the gravity determined by accepted standard practice of using the formula of the American Petroleum Institute at sixty degrees Fahrenheit; (c) the quantity of petroleum products so transported expressed in gallons or in barrels computed at forty-two gallons per barrel, the method of determining such gallonage or barrelage to be by accepted standard practice on the basis of the products being at a temperature of sixty degrees Fahrenheit; (d) the name and address of the seller; (e) the name and address of the purchaser; (f) the signature and license number of the public weigher; and (g) the date of the weighing. One of such duplicate delivery tickets shall be surrendered upon demand to any sealer or inspector of weights and measures for his inspection, and such ticket or, when such sealer desires to retain one of the duplicate tickets, a weight slip issued and signed and dated by the sealer or inspector shall be delivered to the purchaser or his agent or representative at the time of delivery of such petroleum products, and the other duplicate ticket shall be retained by the seller for a period of one year, during which time it shall be subject to inspection by a sealer or inspector of weights and measures. If the purchaser takes such petroleum products from the vendor’s place of business, a delivery ticket in the form required by this section, signed by a licensed public weigher, shall be given to the purchaser or his agent at the time of delivery. No person shall sell or deliver, attempt to sell or deliver or offer to sell or deliver less than the amount of such petroleum products represented by the delivery tickets therefor, provided a tolerance at the rate of five pounds to the ton shall be allowed.