2023 Massachusetts Corporate Excise Tax Forms and Instructions

DOR has released its 2023 MA Corporate Excise tax forms. These forms are subject to change only by federal or state legislative action.

Updated: February 9, 2024

355 Corporate Excise Form

355S Corporate Excise Tax Forms

355U Corporate Excise Forms

Other Corporate Excise Forms

Additional Corporate Schedules & Forms

Credit Schedules

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