Amend a MA Individual or Business Tax Return

Learn how you can amend a tax return with the Massachusetts Department of Revenue (DOR). Updated options for how to amend a personal income tax return are included.

Updated: September 28, 2022

Table of Contents

When To Amend a Return

If you filed a return and want to increase or decrease the amount of tax, amend a return to report an:

  • Error
  • Omission or
  • Change. 

You should not file an amended return to dispute an audit assessment.

Do not file a Form ABT with your amended return. 

How to Amend a Return

You can amend a Massachusetts tax return by using:

  • MassTaxConnect
    (Some restrictions apply when you amend a personal income tax return.)
  • The software that your original return was filed with
    (Some software vendors do not allow you to amend a return. Also, software vendors can only amend a current year return and 2 years prior.)
  • A revised paper return with the Amended return oval filled in.
    (Per TIR 16-9 and TIR 21-9, if you are required to file and pay electronically, you must also amend your return the same way.)  

Amend with MassTaxConnect

For fast and error-free results, amend your return with MassTaxConnect.

To learn how, visit How to Amend a Previously Filed Tax Return, a tutorial video.

Note: Tax preparers with third-party access can file an amended return for you.

Visit MassTaxConnect Resources to learn more.

Need to register for MassTaxConnect? 

On the upper right-hand side of MassTaxConnect's home screen:

  • Select Sign Up
  • Select Create My Logon.
MassTaxConnect sign up screen

Amend a Personal Income Tax Return

With MassTaxConnect

You may amend your personal income tax return with MasstaxConnect if:

If the MassTaxConnect filing program does not support all the schedules you need to file, you must amend your return by paper.

With software that your original return was filed with

You should check with your software vendor as:

  • Some software vendors do not allow you to amend and 
  • Software vendors can only amend a current year return and 2 years prior.

With a revised paper return 

Do not file a Form ABT with your amended return. 

For tax years 2016 and after, you must

  • Complete a revised Form 1 or Form 1-NR/PY and
  • Fill in the Amended return oval on the return.

For tax years before 2016, write Amended return on your amended Form 1 or Form 1-NR/PY.

Your amended return must include all schedules filed with the original return, even if there are no changes.

Mail your amended return for current or prior years (with all schedules) to: 

Massachusetts Department of Revenue
PO Box 7000
Boston, MA 02204-7000

Visit DOR's personal income forms page for current and prior-year paper forms and schedules.

When an Amended Return Becomes an Abatement (Appeal)

Every amended return is subject to review.

In some cases, an amended return may be treated by DOR as an application for abatement (appeal).

If so, DOR will mail you information on the abatement process.

Contact

Tax Department: Contact Center hours are 9 a.m. – 4 p.m., Monday through Friday. 

  • (617) 887-6367 or 
  • (800) 392-6089 (toll-free in Massachusetts).

For more ways to connect, visit Contact DOR.

Do you have a question about your tax account?

If you are registered, log in to your MassTaxConnect account and send DOR a secure e-message. 

Do you need to register with MassTaxConnect?

On the upper right-hand side of MassTaxConnect's home screen:

  • Select Sign Up
  • Select Create My Logon.
MassTaxConnect sign up screen


You may also register by clicking on Register a new taxpayer under Quick Links.

Translation Help

Do you need to change this page's language?

Visit How to Translate a Website, Webpage, or Document into the Language You Want.

Feedback