Maine Business Tax Extension Filing Instructions
601 views | Last modified 3/20/2023 3:59:19 AM EST | Added by ExpressExtension Team

The State of Maine doesn't require businesses (LLC as Corporation or S-Corporation and partnerships) to file a separate extension form, it automatically grants extensions of up to 6 months to file your return as long you paid 90% of your Maine tax liability by the actual due date of the Maine business income tax return.

Extension Form to use

There is no state-specific form to request an extension. Businesses can file a federal Form 7004 to obtain an extension with the state of Maine. Maine allows an automatic extension equal to any federal extension or 6 months, whichever expires later.

Due date to file Maine tax Extension

Business Type	Actual Due Date	Extension Period
C-corporation	15th day of the 4th month following the end of the taxable year (April 15 for calendar year taxpayers). For Taxpayers with a fiscal year ending June 30th is September 15th.	6-month Extension
Pass-through entity ( treated as a partnership or S corporation for federal tax purposes)	15th day of the 3rd month following the close of the tax year. (March 15, for Calendar year taxpayers)	6-month Extension
Fiduciary	15th day of the fourth month following the close of the tax year. (April 15 for taxpayers)	6-month Extension

Business Type

Actual Due Date

Extension Period

C-corporation

15th day of the 4th month following the end of the taxable year (April 15 for calendar year taxpayers).

For Taxpayers with a fiscal year ending June 30th is September 15th.

6-month Extension

Pass-through entity ( treated as a partnership or S corporation for federal tax purposes)

15th day of the 3rd month following the close of the tax year. (March 15, for Calendar year taxpayers)

6-month Extension

Fiduciary

15th day of the fourth month following the close of the tax year. (April 15 for taxpayers)

6-month Extension

Maine tax extension Filing Method (Paper/Electronic)

State of Maine supports both Paper and electronic filing options.

How to pay the state tax due?

You can make your state tax payment using any of the following options:

Pay electronically using Maine EZ Pay, ACH debit, or ACH credit method
Online payment or Wire Transfer

Note: If you file your return electronically, do NOT send a paper copy

Pay by check- Use voucher Form 1120EXT-ME if you’re a corporation; Form 901ES-ME, if you’re a pass-through entity; Form 1041ES-ME if you’re a fiduciary to make a payment.

Does ExpressExtension support this State filing?

Maine business extensions are automatic, which means there is no application to submit.

Any Special Requirements?

A tax extension does not give you more time to pay Maine tax due. As long as 90% of your Maine tax liability is paid by the original deadline you will automatically receive more time to file your business income tax return.

For more information regarding Maine business state tax extension, click here.

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