Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.74202

Sec. 74202. A person may obtain without charge from a conservation officer or a person authorized to issue fishing or hunting licenses a camp registration card and shall enter on the camp registration card in the space provided, in plain and legible English, the name and address of every person occupying the camp. The card shall be prominently and conspicuously posted at the campsite before the camp is made and shall be left so posted upon the departure of the camping party.