Mich. Comp. Laws § 560.208: Surveyor's certificate.

Sec. 208.

The sworn certificate of the surveyor who made the plat and, if a firm of surveyors also by a partner or principal officer, shall appear on the plat and shall state the following:

The name of the governing body by whose order the plat was made, and the date of the order.

A statement that the plat is a correct representation of all the exterior boundaries of the land surveyed and each parcel or lot thereof.

A statement that he has fully complied with the provisions of this act in filing the plat.