Cold calling in Michigan requires compliance with stricter state rules: calling hours start at 9 AM (not 8 AM), no holiday calls, and max 3 calls per year to the same person about the same topic. Must identify yourself within 30 seconds and provide a callback number. Scrub against both Michigan DNC and federal NDNC. Manual dialing to non-DNC numbers is permitted. Private right of action available under MCPA for deceptive telemarketing.