Emergency-related state tax relief available for taxpayers located in four southwest Michigan Counties impacted by May 2024 storms.
Learn About Disaster Relief
Business Registration Contact Form
Business Registration Contact Form
Contact Business Tax Registration
Send an email to a business tax customer service registration representative for general questions or account related information.
Letters regarding your 2021 filing frequency have been issued. If the filing frequency on the letter is consistent with how you are currently filing, please disregard that notice. Use the form on this page or contact Registration at 517-636-6925 if you need additional information.