Michigan Compiled Laws, Chapter 30. Civilian Defense § 30.412

Sec. 12. (1) If a disaster or an emergency occurs in a county or municipality and is beyond the control of local public or private agencies, the chief executive official of the county or municipality may request the governor to declare that a state of disaster or state of emergency exists in the county or municipality, utilizing the procedure set forth in section 14.  1 The director may order the disaster relief forces of a county or municipality to aid the community. The chief executive official of the municipality or the governing body of the county shall comply with the order of the director and cooperate with the director in matters of emergency management.

(2) A county, municipality, or other agency designated or appointed by the governor may make, amend, and rescind ordinances or rules necessary for emergency management purposes and supplementary to a rule, order, or directive issued by the governor or a state agency exercising a power delegated to it by the governor. The ordinance or rule shall be temporary and, upon the governor's declaration that a state of disaster or state of emergency is terminated, shall no longer be in effect.