The purpose of the Business Registration Unit is to assist taxpayers registering their new businesses or making changes to their existing businesses. Our role is to ensure you register for and pay the appropriate fees and taxes. If changes are being made to your business, we can assist you in making sure that information is updated in our tax system. If you have questions regarding the online application you have come to the right place! Our staff is here waiting to assist you in making sure that your visit will be a stress-free experience. Again, we thank you for doing business in Alabama!!