1120EXT-ME: Extension Payment Voucher (2025)

Maine · Maine Revenue Services · Used for tax years 2025

Form 1120EXT-ME is Maine’s 2025 corporate income tax extension payment voucher. It records the corporation’s identifying information, tax year, original federal return due date, and payment amount.

Who files this form

Form 1120EXT-ME is Maine’s corporate income tax extension payment voucher for tax year 2025. Use it when mailing an extension payment.

If you make the payment electronically through the Maine Tax Portal at revenue.maine.gov, you do not need to file this voucher.

What you'll need

To complete the voucher, have the following information ready:

  • Corporation name and federal EIN.
  • Mailing address and contact phone number.
  • Beginning and ending dates for the full tax year.
  • Original due date of the federal tax return.
  • Payment amount.

If paying by check, make it payable to “Treasurer, State of Maine.”

How to file

Pay online: Make the corporate income tax payment through the Maine Tax Portal at revenue.maine.gov. Paying this way eliminates the need to file Form 1120EXT-ME. You may schedule a payment in advance, up to the due date, for automatic withdrawal on the selected payment date.

Pay by mail: Enter all requested information on the voucher. Make checks payable to “Treasurer, State of Maine.” Mail the completed form and payment to:

Maine Revenue Services

P.O. Box 9101

Augusta, ME 04332-9101

Common mistakes

  • Do not staple or tape the check to the form.
  • Do not cut or detach the form.
  • Enter all information requested in the spaces provided.
  • In the federal return due-date field, enter the original due date.

Questions people ask

Do I need to file the voucher if I pay online?

No. Paying electronically through the Maine Tax Portal at revenue.maine.gov eliminates the need to file Form 1120EXT-ME.

Can I schedule my online payment in advance?

Yes. Payments may be scheduled in advance, up to the due date. The payment will automatically be withdrawn on the selected date.

Who should I make my check payable to?

Make your check payable to “Treasurer, State of Maine.”

Which tax-year dates belong on the voucher?

Enter the beginning and ending dates for the full tax year. The form also asks for the original due date of the federal tax return.

Official sources

All versions of 1120EXT-ME