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Massachusetts - New Company Registration

New Company Registration for Massachusetts

Massachusetts Department of Revenue

This guide covers registration for the following types of tax:

  • State Withholding Income Tax
  • Paid Family and Medical Leave

Registration Steps: 

1.  Register for a withholding Account ID and Paid Medical and Family Leave Account ID and assign third-party access

  • Go to the MassTax Connect website
  • Under Quick Links, click on register a new taxpayer
  • Under registration options, click Register a business
  • Click next then select “I am registering a business, organization, or other entity” from the dropdown options
  • Choose organization type and choose if you are a nonprofit organization
  • Follow the remaining instructions to register for employer withholding and Paid Family and Medical Leave (PFML)
  • You will also create a PIN#, username and password to set up your MassTaxConnect Online Profile
  • Once you submit your request, make sure to print or save the information on the confirmation page for your records.  You will need this info when you log in to MassTaxConnect for the first time

Update your Edy account with your Withholding Account ID Number and your Paid Family and Medical Leave ID Number.  Your account numbers are required for all Massachusetts Department of Revenue interactions to ensure your accounts are accurate

If you have any questions regarding this process, please contact the Department of Revenue at 617-887-6367.

2.  Log in to MassTax Connect 

  • Go to the MassTaxConnect website and log in for the first time
  • Click log in and enter your username and password set up during registration
  • You will be asked to set up two-step verification on your first log on.  This can be set up via an app, email, or text message.  You will receive a security code from the option you choose
  •  Enter the security code

For additional assistance, MassTaxConnect video tutorials are available.

Third-party Administrator (TPA) access 

  • Sign in to your MassTaxConnect account
  • In the top-right corner of the page, click the  Manage My Profile link
  • Click the More… tab
  • Under the “Third Party Access” section, click the Assign Access Rights to a Third Party 
  • Under the “Third Party Public Directory” list, select Check
  • You can also search for Check by typing in the filter bar and clicking Enter.
  • Click Next  and you will see a list of  your tax accounts
  • Under “Give Rights” column, check the box for your withholding tax account and your paid family and medical leave account
  • Under the “Access Rights” column, from the drop-down list, select File and Pay
  • Click Next and confirm you’ve granted the correct access to Check 
  • Click Submit

For additional assistance, MassTaxConnect video tutorials are available.

Massachusetts Department of Unemployment Assistance

State Unemployment Insurance (UI) Registration Steps: 

1.  Register for an Unemployment Employer Account Number (EAN), and assign third-party access

  • Go to the Mass.gov
  • Click UI employer registration
  • Once you begin the employer registration process, you will get a temporary user ID and password that is valid for 30 days
  • Go to “Beginning a New UI Registration” and complete information

Update your Eddy account with your Employer Account Number. Your EAN is required for all Massachusetts Department of Unemployment Assistance interactions to ensure your account is accurate.

If you have any questions regarding this process, please contact the Department of Unemployment Assistance at 617-626-5075.

2.  Log in to your employer UI login

  • After you complete the registration process, you will use the permanent user ID and temporary password from the Registration Status page to log in for the first time. 
  • Reset your password
  • Select a security question
  • Enter a 4-digit PIN
  • Be sure to keep this information in a secure location for future use

For additional assistance, an Employer Registration User Guide is available.

Third-party Administrator (TPA) access 

  • Go to the DUA online system.
  • Click on Log In to UI Online for Employers
  • Log in with your User ID and password
  • Click Account Maintenance.
  • Click on the Third Party Administrator (TPA) Authorization link.
  • Click New at the bottom of the screen, and input Check’s  TPA ID: 111213
  • Choose today’s day as the "Beginning Date", and leave "End Date" blank.
  • Click Add Roles and ONLY select:
    • Account Maintenance, Update and Submit
    • Payments, Update and Submit
    • Employment and Wage Detail, Update and Submit
    • EMAC 
    • Please DO NOT select any of the following roles: 
      • Benefit Charges Protest Submission
      • Wage and Separation Mailing
      • Any View Only Roles Account Maintenance, Update and Submit

For additional assistance, a TPA Authorization User Guide is available.

 

 

 

This guide does not contain legal or tax advice. If legal or tax advice is required, an attorney, CPA or tax adviser should be consulted.