Maine I Business State Tax Extension I Corporations

Modified on Wed, 22 Jan at 1:07 PM

State NameMaine
Business Entity TypeCorporations
Extension StatusApproved Automatically
Return Due DateApril 15, 2025
Extended Due DateNovember 15, 2025
Other Information

* No return filing requirement unless the corporation, partnership, or LLC has federal taxable income at the corporate level.

* Automatic extension equal to federal extension for C corporations.

* No paper or electronic extension request required.

Online PaymentMaine | Online Tax Extension Payment
Payment Voucher FormForm 1120EXT-ME | Maine Extension Tax Payment Voucher for Corporations
State Payment AgencyMaine Revenue Services
Mailing Address with Payment

Maine Revenue Services
P.O. Box 9101
Augusta, ME 04332-9101

Failure to File Penalties

Greater of $25 or 10% of outstanding tax liability if the return is filed within 60 days after receipt of demand notice.

Greater of $25 or 25% of outstanding tax liability if the return is filed more than 60 days after receipt of demand notice.

If the return is not filed and jeopardy assessment is issued, the penalty is 25% of the tax due.

Failure to Pay Penalties

1% of the unpaid tax for each month, up to a maximum penalty of 25%.

25% of tax due on assessment for which no further administrative or judicial review is available if payment is not made within 10 days of receipt of notice of demand for payment.

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