(a) On each certificate of weight or measure of a commodity that a public weigher issues, the public weigher shall include the:
(1) time and date that the weight or measure of the commodity was taken;
(2) signature and license number of the public weigher; and
(3) seal of the department.
(b) A public weigher shall retain in a well-bound book a copy of each certificate. The department and members of the general public may inspect the record on request.