The act allows certain persons to use marijuana for medical purposes and allows those persons and their caregivers to possess up to 2.5 ounces or 12 plants of marijuana Plants must be maintained in a closed, locked facility. Caregivers may assist up to five patients, and may possess marijuana for those patients

In order to lawfully use or possess marijuana, patients and their caregivers must be registered with the Michigan Department of Community Health (MDCH) and possess identification cards issued by the MDCH.

If you are found in possession of marijuana, you must possess an identification card or you may be arrested.