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.
- 1120B-ME Franchise tax booklet (PDF) (including forms and instructions)
- 1120B-EXT/ME -- Extension Payment Voucher (PDF)