Wisconsin Statutes Civil Procedure (Ch. 799 to 847) § 800.01. Commencement of action

(1) In municipal court, ordinance violation cases are commenced when the complaint or citation is filed with or transmitted to the court.

(2) The municipal court has jurisdiction over a defendant when any of the following conditions is met:

(2m) The law enforcement officer or municipal employee who serves the summons shall indicate the method of service on the copy of the documents filed or transmitted to the court.

(3) If the action is commenced by a citation under s. 800.02(2)(a), a deposit may be taken from the defendant. The defendant may be released on his or her own recognizance. A nonresident defendant who does not make a deposit may be detained in jail to be brought before the court at the earliest opportunity.