• Personal Income Tax and Corporate Taxpayers in Presidentially Declared Disaster Areas

    If you are in a Presidentially declared disaster area, no action is needed now on your Personal Income or Corporate Excise Tax obligations. We will issue relief for taxpayers following the Internal Revenue Service’s announced extensions for these payments and tax filings see TIR 08-19. Should you receive a future bill for any penalties or interest related to these filings, please file a dispute through your MassTaxConnect account or submit Form ABT pdf format of Form ABT
  • Businesses come in all sizes — from large multinational corporations to sole proprietors. Whatever your size, the pages in this section have the information you need to take care of your tax obligations to the Commonwealth. 
  • MassTaxConnect - for Massachusetts Taxpayers

    MassTaxConnect (MTC) is DOR's, web-based application for filing and paying taxes in the Commonwealth. With MTC, taxpayers are able to: Read More
  • Ever Wonder What Goes On During a Small Business Workshop?

    Wanting to start your own business? Don’t know where to begin? A Small Business Workshop is the answer... Read More
  • Businesses: Check Out the MA Business Portal!

    It’s the one-stop business portal for information, tools, and more - all intended to help you succeed in the Commonwealth.