(a) A person commits an offense if the person purchases for resale or receives for sale, barter, exchange, transport, or any other commercial purpose aquatic products that are taken, possessed, transported, or sold in violation of a federal or state law or regulation.
(b) It is an affirmative defense to prosecution under this section that the person:
(1) had no reason to believe at the time the offense was committed that the aquatic products purchased for resale or received for sale, barter, exchange, transport, or any other commercial purpose were taken, possessed, transported, or sold in violation of a federal or state law or regulation; and
(2) purchased or received the aquatic products described by Subdivision (1) from a seller who had a valid commercial license to sell aquatic products.