Mich. Comp. Laws § 339.1863: Holding room requirements.

Sec. 1863.

A refrigeration facility must have a holding room that meets all of the following:

(a) Is not accessible by the general public.

(b) Maintains a temperature between 36 degrees Fahrenheit and 39 degrees Fahrenheit.

(c) Complies with all other applicable public health and safety laws.