Mich. Comp. Laws § 722.13

Sec. 3. (1) A local law enforcement agency, or a school district, nonprofit organization, or business entity in cooperation with a local law enforcement agency, may sponsor a program. (2) A program sponsor shall supply a numbered sign bearing the standard McGruff house symbol or standard Michigan community child watch symbol to a person in the community who applies for designation of his or her home as a McGruff house or Michigan community child watch house, if the person agrees in writing to follow the terms of the program and if the person and any other adult residing in the person's home passes a background check conducted by a local law enforcement agency. (3) A program sponsor shall keep a register of the McGruff houses and Michigan community child watch houses within the program. (4) A local law enforcement agency that sponsors a program or agrees to cooperate with a nonprofit organization, school district, or business entity that sponsors a program shall conduct a background check, including a criminal history check, on each person who applies to have his or her home designated as a McGruff house or Michigan community child watch house and on each adult residing in the person's home.