Mich. Comp. Laws § 32.101: Adjutant general; responsibilities in national emergency.

Sec. 1.

When a national emergency shall require the service of citizens of this state in the armed forces of the United States, the adjutant general of Michigan shall, in addition to his other duties, be directly responsible to the secretary of war of the United States for each of the following activities:

The mobilization of the Michigan national guard and the Michigan naval force for federal service;

The execution of a plan, in cooperation with competent federal authority, for volunteer recruiting within this state;

The execution of a plan, in cooperation with competent federal authority, for the operation of a system of selective service within this state when, and if, the congress of the United States shall enact a statute for the same.