Mich. Comp. Laws § 333.26287

Sec. 7. A hospital shall notify the patient's designated caregiver of the patient's discharge or transfer to another facility as soon as practicable and, in any event, upon issuance of a discharge order by the patient's attending physician. If the hospital is unable to contact the designated caregiver, the lack of contact shall not interfere with, delay, or otherwise affect the medical care provided to the patient, or an appropriate discharge of the patient. The hospital shall promptly document the attempt in the patient's medical record.