This document contains official instructions for Form CT-1120 , Corporation Business Tax Return - a form released and collected by the Connecticut Department of Revenue Services. An up-to-date fillable Form CT-1120 is available for download through this link.
Q: What is Form CT-1120?
A: Form CT-1120 is the Corporation Business Tax Return for the state of Connecticut.
Q: Who needs to file Form CT-1120?
A: All corporations doing business or deriving income from sources within Connecticut must file Form CT-1120.
Q: What information is required on Form CT-1120?
A: Form CT-1120 requires information on the corporation's income, deductions, credits, and tax liability.
Q: When is Form CT-1120 due?
A: Form CT-1120 is due on the 15th day of the fourth month following the close of the corporation's tax year.
Q: Are there any extensions available for filing Form CT-1120?
A: Yes, corporations may request a six-month extension to file Form CT-1120 by submitting Form CT-1120 EXT.
Q: How can I file Form CT-1120?
A: Form CT-1120 can be filed electronically using the Connecticut Taxpayer Service Center, or by mail using the address provided in the instructions.
Q: Are there any penalties for late filing of Form CT-1120?
A: Yes, there are penalties for late filing and late payment of taxes due. The specific penalties are listed in the instructions for Form CT-1120.
Instruction Details:
Download your copy of the instructions by clicking the link below or browse hundreds of other forms in our library of forms released by the Connecticut Department of Revenue Services.