Mich. Comp. Laws § 18.1201

Sec. 201. The department may issue directives for each state agency to provide for all the following for equipment, furniture, and furnishings in its possession: (a) Custody and maintenance. (b) Periodic inventories. (c) Maintenance and retention of records of the equipment, furniture, and furnishings relative to ownership, cost, operation, maintenance, and warranties. (d) Destruction of, or the declaration as surplus of, equipment, furniture, and furnishings, after consultation with any affected state agency.