Mich. Comp. Laws § 168.562: Official ballots; delegates to county convention.

Sec. 562.

The said ballots shall also contain as many lines as there are delegates to be elected to the county convention by the particular political party. Such lines shall be printed under the title "Delegates to county convention", and no ballot for a delegate to a county convention of any political party shall be counted unless prepared and voted under authority of this act.