(a) No person, except a commercial fisherman licensed to take aquatic products from Texas waters transporting the fisherman's own catch within this state, may transport aquatic products for commercial purposes, regardless of origin or destination, without an invoice containing the following information correctly stated and legibly written:
(1) the invoice number;
(2) the date of shipment;
(3) the name and physical address of shipper;
(4) the name and physical address of receiver;
(5) the license number of shipper; and
(6) the quantity of aquatic products contained in the shipment; finfish by species and by number or weight, oysters by volume, and all other aquatic products by weight.
(b) Aquatic product transportation invoices must be prepared by the shipper and copies retained on file by both shipper and receiver for at least one year from the date of shipment. The shipper shall sequentially number the invoices during each license period. No invoice number may be used twice during any one license period by an individual licensee.