Mich. Comp. Laws § 28.251
The police department of each city or village, any duly constituted police department of a township, and the sheriff's department of each county, once each month upon a date and form prescribed and furnished by the director of the department of state police, shall forward to the department of state police a crime report. Each reporting department shall report only on cases within its jurisdiction and upon which it is making, or has made, the primary police investigation. The report shall be called the uniform crime report and shall cover crimes reported and otherwise processed during the month preceding the month of the report. It shall contain the number and nature of offenses committed, the disposition of such offenses and such other information as the director of state police shall specify relating to the method, frequency, cause and prevention of crime. Under no circumstances shall the name of any person be reported.
MCL 28.251