Michigan Compiled Laws, Chapter 15. Public Officers and Employees § 15.269a

Sec. 9a. (1) Every meeting of a public body that is a state licensing board, state commission panel, or state rule-making board, except a meeting or part of a meeting held in closed session, must be recorded in a manner that allows for the capture of sound, including, without limitation, in any of the following formats:

(2) A recording required under subsection (1) must be maintained for a minimum of 1 year from the date of the meeting in a format that can be reproduced upon a request under the freedom of information act, 1976 PA 442, MCL 15.231 to 15.246.