Mich. Comp. Laws § 168.741: Voting; unused and spoiled ballots; preservation.

Sec. 741.

The board of inspectors of election shall preserve the unused ballots, together with the ballots that have been spoiled by the electors and in place of which other ballots have been issued, and return them to the city or township clerk, or other officer provided by a city charter, with a statement of the number of ballots voted, and the clerk shall give to the election inspectors a receipt that must be filed with the chairperson of the board.