Existing Businesses

Resources in this section include:

  • Change Your Address or Add a Business Location:  This page links you directly to the online application where you can notify the Department of Revenue of a change of address or the addition of a business location.
  • General Revenue Provisions: Look here for information about how the Department handles tax due dates on holidays, penalties, interest, refunds, audits and assessments, and more.
  • Penalty Waivers: Look here for information about how the Department handles penalty waivers and how to submit them.
  • Close Your Business:  There are specific steps you should follow with the Department when you close your business, or you have any changes to your business’ ownership. Read this section for more information.