Mich. Comp. Laws § 168.686
Within 24 hours after the conclusion of the state convention before a general election, the state central committee of each political party shall canvass the proceedings of the convention and determine the nominees of the convention. Not more than 1 business day after the state convention, the chairperson and secretary of the state central committee shall forward to the secretary of state, a typewritten or printed list of the names and residence, including the street address if known, of all candidates nominated at the state convention. In each presidential election year, the state central committee of each political party shall, not more than 1 business day after the state convention or the national convention of that party, whichever is later, forward to the secretary of state the typewritten or printed names of the candidates of that party for the offices of president of the United States and vice-president of the United States certified to by the chairperson and secretary of the committees. A party is not required to certify nominations made at an official primary election. The secretary of state shall forward a copy of a list received under this section to the board of election commissioners of each county, in care of the county clerk at the county seat.
MCL 168.686