Mich. Comp. Laws § 32.513

Sec. 113. Officers and enlisted personnel of the state military establishment shall receive for each day spent by them on active state service under orders of the governor, who is authorized to determine when to place them on such duty, the pay and allowances provided for persons of the federal military forces of like grade or rank and years of service. Enlisted personnel so serving shall receive $3.00 per day allowance in addition to the pay herein authorized. There is hereby appropriated each year from the general fund, the sums necessary to implement the provisions of this type active state service including logistic costs.