Mich. Comp. Laws § 791.269a

Sec. 69a. (1) A visitor to a state correctional facility shall not be subjected to a pat down search unless every person performing or assisting in performing the pat down search is of the same sex as the person being searched. If the necessary personnel are not readily available, a visitor at his or her option may waive the provisions of this subsection by signing a waiver provided by the department of corrections. (2) As used in this section: (a) "Pat down search" means a search of a person in which the person conducting the search touches the body or clothing, or both, of the person being searched to detect the presence of concealed objects. (b) "State correctional facility" means a facility or institution that houses prisoners under the jurisdiction of the department.