Mich. Comp. Laws § 400.84: State department; jurisdiction over district and county departments, rules and regulations.

Sec. 84.

In respect to matters in which a district department of social welfare differs from a county department of social welfare, the state department shall have the power to promulgate rules and regulations relating to organization, operation and procedure affecting such district or city department, which rules and regulations shall be binding upon all persons and authorities concerned.