Mich. Comp. Laws § 168.590c: Qualifying petition; filing; time; filing notice of withdrawal.

Sec. 590c.

A qualifying petition for an office shall be filed with the filing officer authorized to receive a partisan nominating petition or a certificate of nomination for that office.

A qualifying petition for an office elected at the general November election shall be filed not later than 4 p.m. of the one hundred-tenth day before the general election. A qualifying petition for an official elected at an election other than the general November election shall be filed not later than the deadline established by statute or charter for filing a partisan petition or certificate of nomination for the office or at least 90 days before that election, whichever is later.

A candidate who files a qualifying petition shall not be permitted to withdraw his or her candidacy unless a written notice of withdrawal is filed with the filing officer who received the petition. The notice shall be filed not later than 4 p.m. of the third day after the last day for filing a qualifying petition.