DRAFT 2025 Corporate Excise Tax Forms and Instructions

DOR has released its DRAFT 2025 MA Corporate Excise tax forms. These forms are subject to change only by federal or state legislative action.

Updated: October 7, 2025

DRAFT 355 Corporate Excise Form

DRAFT 355S Corporate Excise Tax Forms

DRAFT 355U Corporate Excise Forms

DRAFT Other Corporate Excise Forms

DRAFT Additional Corporate Schedules & Forms

DRAFT & FINAL Credit Schedules

Prior Year Corporate & All DOR Forms

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