Mich. Comp. Laws § 446.27: Auctioneers; term.

Sec. 27.

Every person who shall have executed and delivered such bond to the county treasurer shall, for the term of 4 years next after the date of such bond, be an auctioneer within such county, and be authorized to carry on and perform the business of an auctioneer, and shall conform to the provisions hereinafter contained.