Wis. Stat. § 968.265: Lie detector tests; sexual assault victims.

(1) In this section, “lie detector” has the meaning given in s. 111.37 (1) (b).

(2) If a person reports to a law enforcement officer that he or she was the victim of an offense under s. 940.22 (2), 940.225, 948.02 (1) or (2), or 948.085, no law enforcement officer may in connection with the report order, request, or suggest that the person submit to a test using a lie detector, or provide the person information regarding tests using lie detectors unless the person requests information regarding tests using lie detectors.

(3) If a person reports to a district attorney that he or she was the victim of an offense under s. 940.22 (2), 940.225, 948.02 (1) or (2), or 948.085, no district attorney may do any of the following in connection with the report:

(a) Order that the person submit to a test using a lie detector.

(b) Suggest or request that the person submit to a test using a lie detector without first providing the person with notice and an explanation of his or her right not to submit to such a test.