Mich. Comp. Laws § 324.47326
Every person licensed to take fish under this part, at the close of the 24-hour period immediately following the close of the respective open seasons provided for by this part, shall report to the department, on forms provided by the department, the kinds of fish and number or weight of fish possessed at the close of the 24-hour period. Any subsequent shipment or sale, or both, of such fish shall be reported immediately to the department, on forms furnished by the department, showing the amount and kinds of fish shipped or sold, the date of the shipment or sale, and the name and address of the person or persons to whom the fish were shipped or sold. All fish in possession upon which the season is closed shall be made available for inspection at any reasonable time upon the demand of the department. A person shall not possess or ship, transport, or sell any fish upon which the season is closed and which have not been reported as provided in this section.
MCL 324.47326