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Tax Accounting Systems
Software Designed by Accountants
Upload W-2 data file to Massachusetts
Registration is required
You will need to have username and account with MassTaxConnect.
To Create a Username
Click here to access the Mass Tax Connect
https://mtc.dor.state.ma.us/mtc/_/
Click on the “
Sign Up
” on the right under the Login button
Select the type of Registration
Enter and verify all W2 data
Enter the Submitter Information
Click
E-file Direct > Submitter Information
Submitter information is person uploading the file
Contact information is the Firm information preparing the W-2s
Create the data file to upload
Click
E-file Direct > Create W-2 Files > Create State file
and select
Massachusetts
Select a submitter
Upload file information is the name and location of the file being created. You will need this information during the upload process.
Click the
[Create File]
button to create the upload file.
Upload the data file
log on to the Mass Tax Connect
https://mtc.dor.state.ma.us/mtc/_/
Enter
Username and Password
and Click the
[Login]
button.
You may be asked to fill in a Security Code
Click on
More
Scroll down and Click
Submit a Bulk File
under
Submit Files
On the Submit Files page click on
Bulk W-2 File
On the
W-2 Reporting
page click on
[Add Attachment]
Enter a description and click
[Browse...]
1.
Select file location - By default the files created will be in C:\TAS\23W21099\Efile\CompanyName\MA
2.
Select the file
3.
Click
[Open]
button to close the window and return to the previous page
On the
W-2 Reporting
page click
[Next]
Then click
[Submit]
You will receive a confirmation number indicating the file was successfully uploaded
Verify data file upload
Log on to the Mass Tax Connect
https://mtc.dor.state.ma.us/mtc/_/
Click on
More
Scroll down and click
Search Submissions
under
Submissions