Wis. Stat. § 23.80: Judgment against a corporation or municipality.

(1) If a corporation or municipality fails to appear within the time required by the citation or summons, the default of such corporation or municipality may be recorded and the charge against it taken as true and judgment shall be rendered accordingly.

(2) Upon default of the defendant corporation or municipality, or upon conviction, judgment for the amount of the forfeiture, plus costs, fees, and surcharges imposed under ch. 814, shall be entered.