Michigan Compiled Laws, Chapter 50. County Clerks § 50.66

Sec. 66. (1) Annually, the clerk of each county, immediately after receiving from the township and city clerks of his or her county the names and postoffice addresses of the township and city officers, shall transmit to the secretary of state the names and postoffice addresses of the several township and city clerks, with the name of the township or city for which they are clerks set opposite their respective names. Whenever the county clerk receives information of a vacancy due to death, removal, or resignation of any township or city clerk in the county, the county clerk shall immediately notify the secretary of state of the name and post office address of the person elected or appointed to fill the vacancy, along with the name of township or city.

(2) Annually, the clerk of the county shall transmit to the secretary of state the names and post office addresses of the members of the county board of commissioners. Whenever the county clerk receives information of a vacancy in the office of such a commissioner in the county, the county clerk shall immediately notify the secretary of state of the name and post office address of the person elected or appointed to fill the vacancy.