Sec. 6. This act does not apply to any person in this state confined as insane or mentally ill or as a defective delinquent.
Mich. Comp. Laws § 780.116, under UNIFORM RENDITION OF PRISONERS AS WITNESSES IN CRIMINAL PROCEEDINGS ACT.
Mich. Comp. Laws § 780.116
Sec. 6. This act does not apply to any person in this state confined as insane or mentally ill or as a defective delinquent.