The Michigan Sales and Use Tax Certificate of Exemption is for residential or commercial customers claiming exemption from Michigan Sales Tax. If you qualify, please fill out all four sections of the claim form linked below and return it to:
Mail: SEMCO ENERGY Gas Company
1411 3rd Street, Suite A
Port Huron, MI 48060
If you have questions, contact Customer Service by phone 1-800-624-2019 or by email firstname.lastname@example.org.