Form ABT at a glance
What it is: Massachusetts Form ABT is the Application for Abatement; go to mass.gov/masstaxconnect to file online for faster processing.
Who signs: Sign on the Signature of taxpayer or responsible person line and, if applicable, on the Signature of spouse line.
Use this form to appeal an audit assessment; request waiver of penalties; request innocent spouse relief; challenge a responsible person determination; or request an abatement of motor vehicle excise or motor vehicle sales or use tax billed by DOR.
A filled-in Form ABT example: an appeal of penalties

How to fill out Form ABT, box by box
Taxpayer name, spouse and responsible person (RP) name

Enter the taxpayer name; if business, enter the full legal name.
Use a separate Form ABT for each location and account.
Enter the spouse's name and the spouse's Social Security number if applicable.
Enter the responsible person (RP) name and the RP's Social Security number if applicable.
Enter the taxpayer e-mail address and the spouse e-mail address if applicable.
Type of identification number
Letter ID number and Account ID number
Address, address change and prerequisites for filing

If your address has changed since you last filed a return, fill in oval. You must meet three prerequisites (requirements) for an application for abatement to be valid. First, you must have filed the required return for the period stated on the application, unless you are claiming that no return is required or you are disputing a responsible person determination. Second, you must submit the application within the time limits described on page 3. Third, you must fully substantiate (document) the application. Where a return is required to be filed electronically, any request for abatement with respect to that return should be filed electronically.
Line 1, are you filing to
Line 2, tax type
Line 3, tax periods and amounts
Line 4, a hearing, and Line 5, the issues involved in the request

Fill in oval if you would like a hearing on your abatement claim with the Office of Appeals. If DOR agrees with your claim, no hearing will be necessary. Under Explanation of Issues Involved in Request, state the issues involved, including all facts and relevant statutory references. Attach additional statements to fully explain the issues if necessary and include documentation to substantiate your request. Your application for abatement may be denied if all the information DOR needs to make a decision on your request is not provided with this application.
Explain why you are requesting an abatement and attach all information necessary to support your claim.
Taxpayer or Responsible Person Consent

By filing this application for abatement, the taxpayer or responsible person gives consent for the Commissioner of Revenue to act on the application after six months from the date of filing pursuant to MGL ch 58A, § 6.
If you choose not to consent, fill in oval.
If you do not consent to allow more than six months, the application for abatement is deemed denied (1) six months from the date of filing or (2) the date consent is withdrawn, whichever is later.
You may withdraw your consent at any time.
Sign here

Sign here. Under penalties of perjury, you declare that, to the best of your knowledge and belief, the information herein is true, correct and complete.
Sign on the Signature of taxpayer or responsible person line and, if applicable, on the Signature of spouse line.
Enter the Name of taxpayer or responsible person (print), the Date and the Daytime phone number.
Enter the Name of contact person, the Phone number of contact person and the E-mail address of contact person.
Preparer's signature and attestation

Preparer's signature and attestation. Fill in oval to attest that you prepared this form, and that the statements contained herein, including information furnished to you by the taxpayer, are true and correct to the best of your knowledge, information and belief.
Sign under Signature of preparer, then enter Preparer's title and Date. If representing the taxpayer, complete the Power of Attorney.
Power of Attorney

To give DOR permission to discuss this application with someone other than you, complete the Power of Attorney section.
Power of Attorney. Fill in oval to appoint the following individual(s) as attorney(s)-in-fact to represent the taxpayer(s) before any office of the Massachusetts Department of Revenue for the specified tax period(s).
Sign under Signature of attorney-in-fact, then enter Name of attorney-in-fact (print), PTIN, Phone number, E-mail address of attorney-in-fact, Address, City/Town, State and Zip.
Fill in the blank under Attorney-in-fact is not authorized to.
The attorney-in-fact signs on the Signature of attorney-in-fact line; the taxpayer or responsible person and the spouse (if applicable) also sign on their own Signature lines.
More rules for Form ABT
Be sure to complete page 2.
If your situation is different
You are appealing a responsible person determination
Taxpayer Name: enter the responsible person's name.
Taxpayer ID: enter the responsible person's Social Security number.
Enter the responsible person's name and Social Security number again under RP Name and RP Social Security number.
Account ID Number is the Account ID for the business tax liability for the responsible person determination.
In Line 1, fill in the bubble for "appeal a responsible person determination."
In Line 2, fill in the bubble for the tax type of the business tax liability for the responsible person determination.
Sales tax on a motor vehicle
Appeal the amount of motor vehicle sales or use tax if the sales tax charged was incorrectly calculated for the motor vehicle purchased or if the sales tax charged was on a motor vehicle that you believe should have been an exempt transfer or purchase.
If the abatement request is related to a rescission of sale, attach copies of: Bill of sale; Paperwork from the RMV reflecting sales tax paid, charges for the title, and registration fee; Registration; and Completed Form MV-AB2, Affidavit - Rescission of Sale of a Motor Vehicle.
You are requesting innocent spouse relief
Be sure to attach Form 84, Application for Relief From Joint Income Tax Liability, if requesting innocent spouse relief.
Common questions about Form ABT
Is there a deadline?
You must submit your application for abatement to DOR within the time limits provided in MGL ch 62C, § 37. Generally, this means within three years from the date of the filing of the return (or within three years from the due date, if the return was filed before the due date). Within two years from the date the tax was assessed or deemed to be assessed. Within one year from the date the tax was paid. Within two years of DOR's determination of a responsible person's liability. Within any agreed-upon extension of time for assessment of taxes under MGL ch 62C, § 27.
Where do I file it?
File online at mass.gov/masstaxconnect or mail to Massachusetts Department of Revenue, PO Box 7058, Boston, MA 02204.
Is there a penalty?
Interest and, in some cases, penalties will accrue on any unpaid amounts.
When is this form not the right one?
Do not use this form to amend, change or correct your original filed return, or to report a federal change or change by another state. To make these changes you must file an amended return. Go to mass.gov/dor/amend for information about filing an amended return or reporting a federal change.
Sources
[1] Form ABT (REV 10/24), Application for Abatement, Massachusetts Department of Revenue (the Official source link on this page).





