Mich. Comp. Laws § 776.21: “Law enforcement officer” and “victim” defined; submitting victim to polygraph examination or lie detector test; giving polygraph examination or lie detector test to defendant upon request.

Sec. 21.

As used in this section:

"Law enforcement officer" means a police officer of a county, city, village, township, or this state; a college or university public safety officer; a prosecuting attorney, assistant prosecuting attorney, or an investigator for the office of prosecuting attorney; or any other person whose duty is to enforce the laws of this state.

"Victim" means a person who is a victim of a crime under sections 520b to 520e and 520g of Act No. 328 of the Public Acts of 1931, being sections 750.520b to 750.520e and 750.520g of the Michigan Compiled Laws.

A law enforcement officer shall not request or order a victim to submit to a polygraph examination or lie detector test. A law enforcement officer shall not inform a victim of the option of taking a polygraph examination or lie detector test unless the victim inquires concerning such a test or as provided by subsection (3).

A law enforcement officer shall inform the victim when the person accused of a crime specified in subsection (1)(b) has voluntarily submitted to a polygraphic examination or lie detector test and the test indicates that the person may not have committed the crime.

Subsections (2) and (3) apply only to a polygraph examination or lie detector test which is requested, ordered, or given in regard to a person being a victim.

A defendant who allegedly has committed a crime under sections 520b to 520e and 520g of Act No. 328 of the Public Acts of 1931, shall be given a polygraph examination or lie detector test if the defendant requests it.