Mich. Comp. Laws § 324.45902: Game fish; license for propagation for sale.

Sec. 45902.

A person shall not propagate, rear, or have in possession for the purpose of offering for sale or selling any kind of game fish except as authorized by a license issued by the department pursuant to part 13. A license is nontransferable and expires on December 31 of the year for which issued. A separate license is required for each place of business where game fish are propagated, reared, or possessed for the purpose of sale or offering for sale.

This part does not apply to the following:

The sale, offering for sale, or possession of dead, fresh, or frozen brook trout, brown trout, or rainbow trout lawfully taken in and exported from another state or country or that have been procured from a licensed dealer within this state.

The propagation, rearing, possession, or sale of game fish pursuant to a registration or permit issued pursuant to the Michigan aquaculture development act, 1996 PA 199, MCL 286.871 to 286.884.