Mich. Comp. Laws § 445.301

Sec. 1. Any person, firm or corporation engaged in the business of purchasing poultry for the purpose of resale shall keep a record of the date of each such purchase, the name and residence of the seller, kind of poultry purchased and the description and number thereof, whether such poultry was raised by the seller or purchased from others, and if purchased from others, then the name of the person from whom the same was purchased by the seller and the date of such purchase, and if the seller delivers such poultry by means of automobile or other vehicle having a license thereon, then the number of such license.