Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.48721

Sec. 48721. (1) The commission shall issue an order under part 411  1 establishing possession limits of fish consistent with this section.An individual shall not possess more than the daily possession limit or aggregate daily possession limit, as applicable, of fish at the place where the fish were taken or in route from that place to either of the following:

(2) In addition to 1 day's possession limit of fish, an individual may possess an additional 2 days’ possession limit of fish that are processed by any of the following methods:

(3) An individual's processed fish aboard a vessel, on the water or at dockside, are considered to be in the individual's possession for the purposes of subsection (2).

(4) An individual shall not possess a fish illegally taken.