Instructions for Form CT-1120X Amended Corporation Business Tax Return - Connecticut

Form CT-1120X Amended Connecticut Corporation Business Tax Return - Connecticut

This document contains official instructions for Form CT-1120X , Amended Corporation Business Tax Return - a form released and collected by the Connecticut Department of Revenue Services. An up-to-date fillable Form CT-1120X is available for download through this link.

FAQ

Q: What is Form CT-1120X?
A: Form CT-1120X is the Amended CorporationBusiness Tax Return for corporations in Connecticut.

Q: Who needs to file Form CT-1120X?
A: Corporations in Connecticut who need to make amendments to their previously filed Corporation Business Tax Return.

Q: Why would a corporation need to file Form CT-1120X?
A: A corporation may need to file Form CT-1120X if they made mistakes or need to modify information on their previously filed Corporation Business Tax Return.

Q: What information is required on Form CT-1120X?
A: Form CT-1120X requires information such as the corporation's name, tax identification number, changes to income, deductions, credits, and any other necessary information.

Q: When is the deadline to file Form CT-1120X?
A: The deadline to file Form CT-1120X is generally within three years from the original due date of the Corporation Business Tax Return.

Q: Are there any penalties for filing Form CT-1120X late?
A: Yes, there may be penalties for filing Form CT-1120X late. It is important to file the amended return as soon as possible to avoid penalties and interest.

Q: Can I e-file Form CT-1120X?
A: No, Form CT-1120X cannot be e-filed. It must be submitted by mail to the Connecticut Department of Revenue Services.