Coronavirus (COVID-19) Update
The Commissioner’s authority under G.L. c. 62C, § 87 to delay due dates does not extend to corporate excise filings and payments. However, the Commissioner will waive late-file and late-pay penalties for corporate excise (including financial institution and insurance premiums excise) returns and payments due on April 15, 2020, when those returns and payments are filed and made by July 15, 2020. Please visit TIR 20-4 for more information.
What you need to know
These forms are subject to change only by federal or state legislative action.
All printable Massachusetts corporate excise tax forms are in PDF format. To read them, you'll need the free Adobe Acrobat Reader.
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2020 Corporate Excise tax forms and instructions
2019 Corporate Excise tax forms and instructions
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File and Pay online with MassTaxConnect
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Estimated tax payment vouchers
Make your estimated tax payment online through MassTaxConnect. It’s fast, easy and secure.
Form 355-ES, 2020 Corporate Estimated Tax Payment Vouchers, Instructions and Worksheets
Form 63FI-ES, 2020 Financial Institution Corporate Estimated Tax Payment Vouchers, Instructions and Worksheets
Form UBI-ES, 2020 Estimated Tax Payment Voucher for filers of Forms 3M, M-990T and M-990T-62
Corporate and Financial Institution Excise Vouchers – these estimated tax payment vouchers provide a means for paying any current taxes due under Chapter 63 of the Massachusetts General Laws. All corporations and financial institutions that reasonably estimate their excise to be in excess of $1,000 for the taxable year are required to make estimated payments. Visit Corporate Excise tax estimated payments.
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