Wis. Stat. § 302.30: Definition of jail.

In ss. 302.30 to 302.43, “jail” includes municipal prisons and rehabilitation facilities established under s. 59.53 (8) by whatever name they are known. In s. 302.37 (1) (a) and (3) (a), “jail” does not include lockup facilities. “Lockup facilities” means those facilities of a temporary place of detention at a police station which are used exclusively to hold persons under arrest until they can be brought before a court, and are not used to hold persons pending trial who have appeared in court or have been committed to imprisonment for nonpayment of fines or forfeitures. In s. 302.365, “jail” does not include rehabilitation facilities established under s. 59.53 (8).