All deliveries of fuel oil to purchasers, in vehicle tanks used as measures, shall be recorded by the seller upon forms known as delivery tickets. At the time of delivery, one copy of the delivery ticket shall be left at the point of the delivery. Delivery tickets shall be consecutively numbered and contain the following: date of delivery, name and address of the seller and purchaser, and grade, price per gallon, quantity and total price of oil delivered; provided, however, that a delivery ticket need not set forth the total price if within five days after delivery the seller provides the purchaser with a written statement setting forth all the foregoing information including the total price.