The Official Website of the Massachusetts Department of Revenue   
News & Alerts
The Annual Certificate Application is not available until November 30, 2015. The Annual Certificate Application will be available once Massachusetts Department of Revenue releases MassTaxConnect, our new, modernized online tax system.
MassTaxConnect Coming November 30
New State-of-the-art tax system MassTaxConnect coming November 30th Click here to learn more!
Verify E-mail Address
Please ensure your e-mail address is current on your User Profile. You can update your e-mail address from your home page by selecting Manage Registration and then selecting Update My Profile and Edit Profile.

Countdown to MassTaxConnect
Nov 30th, 2015
Getting Started in Massachusetts
Get a Tax ID
Prior to registering your business with the Department of Revenue, you will first need an IRS issued Employer Identification Number for your business.

If you don't already have one,
get it using the IRS EIN Assistant.
Register Online
Register your business or service company and create an account to use WebFile for Business to manage your Massachusetts state tax obligations.

File your taxes using DOR-approved commercial tax filing software and web sites.   
Small Business Workshops
We invite you to attend one of our free Small Business Workshops designed for the tax novice. They cover many topics important to new business owners including:
  • Registering your business with DOR using WebFile for Business
  • Meeting employer responsibilities
  • Reporting business income
  • Filing sales and use tax returns
  • Filing and payment procedures
Register online to attend.
For Businesses        For Tax Professionals
Online Services
You can completely manage your tax profile and obligations online.  Log in with your WebFile account to file returns, make payments and more.

Click here to request a Certificate of Good Standing.
Click here to verify sales tax resale certificates.

Get a Status Update
Check on the status of a request you've previously submitted. You will need your User Name and Reference Number.
Why Register?
Learn more about what professional tax preparers can do with WebFile for Business.   Register your business to get started.

Online Services
Log in with your WebFile account to file your clients' taxes, make payments on their behalf and more.

Click here to request a Certificate of Good Standing.
Click here to verify sales tax resale certificates.
For Payroll Service Providers   For Software Developers
Online Services
File your clients' taxes in bulk, make payments on their behalf and more.

To transfer files larger than 2 MB you must use the Secure Shell Protocol (SSH). Click here for more information about SSH.

Technical Information
Get information for file format specifications, schemas, forms, health care information, and more.

Approved Software Vendors
Version=6.1.5730.40385 , DPF Version=1.0.5730.28683