Upon sale of grain which is to remain in private bulk storage the seller shall execute and deliver to the buyer a bill of sale which shall contain all of the following:
(a) The date and place where made.
(b) The names of the seller and the buyer.
(c) A statement of the estimated quantity and kind of grain.
(d) A statement of the location and designating numbers of the storage facilities in which the grain is stored.
(e) A statement of the price per unit and a statement of the amount received by the seller.