Michigan Compiled Laws, Chapter 791. Department of Corrections § 791.262b

Sec. 62b. (1) The rules and standards promulgated under section 62(3)  1do not prohibit the housing of 2 inmates in a county jail cell that is designed and constructed for single occupancy and that meets either of the following conditions:

(2) For purposes of housing inmates as provided for under this section, the sheriff of the county shall develop and implement a classification system classifying the county jail population according to all of the following:

(3) The classification system under subsection (2) shall be submitted to and approved by the department. Any classification system in effect on December 31, 1987 shall continue in effect until changed as provided in this subsection.

(4) Cells in which 2 inmates are housed shall have doors which allow visual supervision, and inmates shall be under visual supervision at least every hour.

(5) If the state incurs any expense or is liable for damages on any judgment for an action brought as the result of a county housing 2 inmates in a cell as provided in this section, the county in which the action arose shall fully indemnify the state for the expense or damages.