Need to amend your tax return? Want to dispute a tax bill, penalty, or audit finding? Most taxpayers can do both online! It’s fast, simple and secure.
Individuals: go to DOR’s WebFile for Income application.
Taxpayers filing IFTA, Alcoholic Beverages, Ferry Embarkation Fee, or non-resident motor vehicle excise: go to MassTaxConnect.
Most other businesses filing withholding, sales, meals, or rooms occupancy tax: go to DOR's WebFile for Business.
Note: For now, there are certain tax categories that can't file abatements or amended returns online.