Corporate Excise tax forms and instructions

DOR has released the 2017 Massachusetts corporate excise tax forms. The forms are subject to change only by federal or state legislative action.

2017 Massachusetts corporate excise tax forms and instructions

All Massachusetts corporate excise tax forms are in PDF format. To read them, you'll need the free Adobe Acrobat Reader.

355 Forms 

355S Forms

355U Forms

Additional Forms

Corporate Excise Forms and Instructions Change Log

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What you need to know

If you have any suggestions or comments on how to improve these forms, contact the Forms Manager at

Upon request, forms are available in other formats. Please send your request to: Massachusetts Department of Revenue, Office of Diversity and Equal Opportunity, PO Box 9557, Boston, MA 02114-9557. You can also contact us at (617) 626-3410.

Before filing, you can learn more about the advantages of filing online. Electronic filing is the fastest way to get your refund. If you file online, you can expect to receive your refund within 2 weeks. If filing on paper, you should receive your refund within 6 weeks.

Additional Resources


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