Corporate Income Tax Forms - 2019

NOTE:  In response to COVID-19, Maine Revenue Services (MRS) has automatically extended the filing deadline for corporate taxpayers (2019 Maine Form 1120ME) in Maine, on extension, from October 15, 2020 to November 16, 2020.  For more information, see the October 2020 (PDF) issue of the Maine Tax Alert.

• 1120ME Corporate income tax form (PDF)
  • Corporate income tax instructions (PDF) - Revised July 2020
  • New 2019 Additional Worksheet to Report Certain "Other" Modifications to Maine Income Related to Federal Tax Law Changes Enacted After December 31, 2019 (PDF) - New July 2020
• 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)
  • Annualized income installment worksheet for form 2220ME (PDF)
• 1120EXT-ME Extension payment voucher (PDF)

Worksheets for Tax Credits