Mich. Comp. Laws § 408.684

Sec. 4. A person who for compensation manufactures or assembles public playground equipment that fails to comply with the following standards is subject to a state civil infraction under this act: (a) The "handbook for public playground safety" published for the U.S. consumer products safety commission, which is incorporated by reference and is based upon recommendations provided to the commission by the COMSIS corporation in March 1990 in "development of human factors criteria for playground equipment safety" by Donna Rattle, Melanie Morrison, and Neil Lerner. (b) The "standard consumer safety performance specification for playground equipment for public use, ASTM F1487-01", published by the American society for testing and materials, which is incorporated by reference.