(1) For all wholesale or retail deliveries of petroleum products, including, but not limited to, gasoline, diesel fuel, home heating oil or liquefied petroleum gas (LPG) , delivered to remote locations such as on-farm storage tanks, a receipt, either mechanically printed or handwritten, denoting the date and total gallons delivered into the customer's tank shall be left at either the delivery location or at a location specified by the customer unless a prior agreement has been made with that customer.