Mich. Comp. Laws § 418.805

Sec. 805. Every employer who is subject to this act shall keep a record of all injuries causing death or disability of any employee arising out of and in the course of the employment, which record shall give the name, address, age, wages of the deceased or disabled employee, the time and cause of the accident, the nature and extent of the injury and disability and such other information as the director may reasonably require. Reports based upon such record shall be furnished to the bureau at such times and in such manner as the director may reasonably require.