Mich. Comp. Laws § 324.42503
Any dealer who desires to ship or transport out of the state any fur-bearing animals or the raw skins of fur-bearing animals, or parts thereof, or the plumage, skins, or hides, or parts thereof, of protected game birds and game animals legally taken or killed in the state during the open season, shall first procure a permit from the department. The permit shall state the names of the consignee and consignor, destination and number and kinds of fur-bearing animals, or the raw skins of fur-bearing animals, or parts thereof, or the plumage, skins, or hides, or parts thereof, of protected game birds and game animals that are to be shipped or transported, and the permit shall be presented to transportation company with consignment. All shippers of fur-bearing animals, or the raw skins of fur-bearing animals, or parts thereof, or the plumage, skins, or hides, or parts thereof, of protected game birds and game animals are required to label all packages offered for shipment by parcel post, common carrier, or otherwise. The label shall be securely attached to the package, and shall plainly indicate the names and addresses of the consignee and consignor and the complete contents of the package. A person or the agent or employee of any common carrier, association, stage, express, railway, or transportation company shall not transport or receive for transportation or carriage, or sell or offer for sale, any fur-bearing animals legally taken during the open season for that animal, or the raw skins of such a fur-bearing animal, or part thereof, or the plumage, skin, or hide, or parts thereof, of protected game birds and game animals except as specifically provided for by this part. All fur-bearing animals, or the raw skins of fur-bearing animals, or parts thereof, or the plumage, skins, or hides, or parts thereof, of protected game birds and game animals possessed or that have been shipped or are being transported in violation of this part, shall be confiscated and disposed of as provided by law.
MCL 324.42503