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: January 30, 2024

Table of Contents

355 Corporate Excise Form

355S Corporate Excise Tax Forms

355U Corporate Excise Forms

Other Corporate Excise Forms

Additional Corporate Schedules & Forms

Credit Schedules

Contact

Phone

Tax Department (617) 887-6367
Toll-free in Massachusetts (800) 392-6089

9 a.m.–4 p.m., Monday through Friday

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