Mich. Comp. Laws § 550.253
Section 550.253 - Coverage by 2 or more plans; order of benefit payments; length of time covered under plan; inability to agree on order of benefits; amount to be paid by insurer issuing secondary plan; amount to be paid by insurer issuing secondary dental plan; payment of claims or coordination of benefits not provided or authorized by health maintenance organization Section 550.253 - Coverage by 2 or more plans; order of benefit payments; length of time covered under plan; inability to agree on order of benefits; amount to be paid by insurer issuing secondary plan; amount to be paid by insurer issuing secondary dental plan; payment of claims or coordination of benefits not provided or authorized by health maintenance organization