Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.45709

Sec. 45709. On or before December 31 of the year in which any license was issued, the holder of the license shall make a written report to the department, on a form furnished by the department, under oath if requested to do so, stating the total weight of mussel shells taken, caught, or killed under the license, the names and locations of waters from which the mussels were taken, the weight of shells taken from each water, the amount of money received for shells sold, and any other information required by the department in determining the trend of the industry and available supply of mussels. The department may deny a new license to the holder until the report is made in accordance with this part.