First day to set the date for caucus. Deadline for electors of a village to petition for a primary.
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First day for town or village governing body to set the date for caucus. Wis. Stat. §8.05(1)(a) – Between December 1 and January 21. Deadline for electors of a village to petition for a primary. Wis. Stat. §8.11(1m)(c) – December 1