The Official Website of the Massachusetts Department of Revenue   

Choose a category below to find online services offered by the Department of Revenue.
For Individuals
 
For Tax Professionals
 
For Cities & Towns
 
For Businesses
 
For Payroll Service Providers & Software Developers
  • MassTaxConnect

  • Software Development Resources

    Including information on:
    • Practitioners and Software Vendors FAQs
    • Record Layouts and Specifications
    • List of Approved Software Vendors
    • Software Developers Prior Year Information
    • Test Returns (MPATs)
    • 2D Barcode
    • Downloading 128-bit Encryption Browser Upgrades
 
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