Michigan Compiled Laws, Chapter 32. Military Establishment § 32.728

Sec. 328. (1) The adjutant general shall request civilian positions and personnel of the military establishment, as he or she considers necessary, to be included in the classified state civil or state senior service. He or she also has the authority to call officers and enlisted personnel, as he or she may designate, to special duty in the military department. Officers and enlisted personnel called to special duty shall receive pay and allowances equal to that of active army or air force personnel of like grade and service.

(2) When special duty personnel receive military pay from the federal government for services performed during the hours of an actual workday, as designated by the adjutant general under section 114,  1 they shall be charged with a day of leave or a day of leave without pay.