Mich. Comp. Laws § 18.1237c

Sec. 237c. (1) When entering into a contract with an architect, professional engineer, or contractor for any capital outlay project, capital improvement, or facility, the department shall not require the architect, professional engineer, or contractor to assume any liability or indemnify this state for any amount greater than the degree of fault of the architect, professional engineer, or contractor. (2) As used in this section, "contractor" means a person who, pursuant to a contract with the owner or lessee of real property, provides an improvement to real property.