Texas Parks and Wildlife Code - PARKS & WILD § 47.0181. Aquatic Product Transportation Invoices

(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:

(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.