Wisconsin Statutes & Annotations
Chapter 345 - Vehicles — civil and criminal liability.
345.421 - Discovery.

345.421 Discovery. Neither party is entitled to pretrial discovery except that if the defendant moves within 10 days after the alleged violation and shows cause therefor, the court may order that the defendant be allowed to inspect and test under s. 804.09 and under such conditions as the court prescribes, any devices used by the plaintiff to determine whether a violation has been committed, including without limitation, devices used to determine presence of alcohol in breath or body fluid or to measure speed, and may inspect under s. 804.09 the reports of experts relating to those devices.
History: 1971 c. 278; Sup. Ct. Order, 67 Wis. 2d 585, 776 (1975); 1975 c. 218.
This section applies to civil as well as criminal traffic charges. City of Lodi v. Hine, 107 Wis. 2d 118, 318 N.W.2d 383 (1982).
When blood alcohol content is tested under statutory procedures, the results of the test are mandatorily admissible. The physical sample tested is not evidence intended, required, or even susceptible of being produced by the state under s. 971.23. State v. Ehlen, 119 Wis. 2d 451, 351 N.W.2d 503 (1984).

Structure Wisconsin Statutes & Annotations