NOTE: The April 15, 2020 due date for filing 2019 Maine Income Tax forms and payments has been extended to July 15, 2020. For More information, see March 2020 - #3 (PDF) issue of the Maine Tax Alert.
- 1120ME Corporate income tax form (PDF)
- Form CR - combined return for members of an affiliated group (PDF)
- Schedule NOL (PDF)
- Corporate unitary questionnaire (PDF)
- Corporate nexus questionnaire (PDF)
- 2220ME Underpayment of estimated tax (PDF)
- 1120EXT-ME Extension payment voucher (PDF)