Michigan Compiled Laws, Chapter 442. Sales § 442.216

Sec. 6.(1) A license to conduct a sale issued under this act shall not be issued or valid for a period of more than 30 days from the start of the sale, and the sale may be conducted only during the period set forth in the license.

(2) A license to conduct a sale issued under this act may be renewed not more than twice, for a period not to exceed 30 days for each renewal. A person requesting a renewal under this subsection must provide an affidavit of the licensee that the goods listed in the inventory have not been disposed of and that no new goods have been or will be added to the inventory previously filed pursuant to this act, by purchase, acquisition on consignment, or otherwise. The application for renewal of the license shall be made not more than 13 days before the time of the expiration of the license and shall contain a new inventory of goods remaining on hand at the time the application for renewal is made, prepared and furnished in the same manner and form as the original inventory.A renewal shall not be granted if any goods have been added to the stock listed in the inventory since the date of the issuance of the license.

(3) A fee of $50.00 shall accompany an application for the license and for the renewal of a license, unless the clerk of the city, village, or township receiving the application waives that fee.