Wis. Stat. § 69.69: Neglect of duty.

Every clerk of any town, city, village or school district, every technical college district board secretary and every assessor who fails or neglects to perform any duty required by this subchapter shall, for every such neglect or failure, forfeit not less than $20 nor more than $50, and it is the duty of the county clerk to cause every such forfeiture to be prosecuted for. Every county clerk and register of deeds who fails or neglects to perform any duty required by this subchapter shall, for every such neglect or failure, forfeit not less than $25 nor more than $100; and it is the duty of the department with which such returns are required to be filed to cause every such forfeiture to be prosecuted for.