An Overview of Connecticut State Business Income Tax Extension Forms

- Updated Feb 27, 2021 - 8.00 AM by Admin, ExpressExtension

Does Connecticut support tax extension for business income tax returns?

Q

Yes. Connecticut requires a separate tax extension Form to be filed with the state department apart from the federal tax extension Form 7004.

What Form does the state of Connecticut require to apply for an extension?

Q
For Corporation

The businesses operating (as Corporation) in Connecticut need to file Form CT-1120EXT with the state to obtain a 6-month extension of time to file their business income tax return with the state.

  • Form CT-1120EXT - Request for Six-Month Extension to File (for C Corporation)
For S-Corporation & Partnership

The businesses operating as S-Corporation & Partnership in Connecticut need to file Connecticut Pass‑Through Entity Tax Return, Form CT-1065/CT-1120SI. To get an automatic 6 month extension of time to file your Connecticut Pass‑Through Entity Tax Return, you can file Form CT-1065/CT-1120SI EXT, an automatic extension of time to file CPE Return.

Note: Make sure to pay any taxes due along with the extension Form to avoid penalties and interest.

When is the deadline to file Form CT-1120 EXT & CT-1065/CT-1120SI EXT with the state of Connecticut?

Q
Connecticut General Corporation Tax Extension

Connecticut State General Business Corporation tax extension Form CT-1120 EXT is due within 5 months and 15 days following the end of the corporation reporting period.

The extension application is used to get an automatic 6 month of time to file FormCT-1120.

Form CT-1120 EXT grants an automatic 6-month extension of time to file Form CT-1120.

Note: Make sure to pay any taxes due along with the extension Form to avoid penalties and interest.

Connecticut Pass Through Entity extension

Connecticut State Pass Through Entity tax extension Form CT-1065/CT-1120SI EXT is due within 4 months and 15 days following the end of the corporation reporting period.

To file an extension for CT-1065/CT-1120SI, You can apply for an extension using Form CT-1065/CT-1120SI EXT on or before the same date the business tax return is due.

Form CT-1065/CT-1120SI EXT grants an automatic 6-month extension of time to file Form CT-1065/CT-1120SI.

Note: Make sure to pay any taxes due along with the extension Form to avoid penalties and interest.

How do I pay my balance due along with the extension Form?

Q

You can choose to pay your balance due along with your return by using any one of the following options:

  • An electronic payment is accepted for an extension payment at https://portal.ct.gov/TSC
  • If you cannot file and/or pay electronically, you should request a waiver by filing Form DRS-EWVR.
  • To request a waiver from the electronic filing requirement visit portal.ct.gov/DRS and complete Form DRS-EWVR, Electronic Filing and Payment Waiver Request.
  • At least 90% of the tax shown to be due on the return on or before the original due date of the return.
  • Pay by Credit Card or Debit Card: Visit www.officialpayments.com and select State Payments. Your payment is effective on the date you make the charge.

Where do I mail the extension Form CT-1120EXT?

Q
Mail Form CT-1120EXT, Application for Extension of Time to File an Connecticut Income Tax Return for Corporation to:

Mail paper return with payment to:

Department of Revenue Services State of Connecticut,
PO Box 2974,
Hartford CT 06104-2974.

Mail paper return without payment to:

Department of Revenue Services State of Connecticut,
PO Box 150406,
Hartford CT 06115-0406.

Where do I mail the extension Form CT-1065/CT-1120SI EXT?

Q

Mail a paper return without payment to:

Department of Revenue Services State of Connecticut,
PO Box 2967,
Hartford CT 06104-2967.

Mail a paper return with payment to:

Department of Revenue Services State of Connecticut,
PO Box 5019,
Hartford CT 06102-5019.

Published by ExpressExtension Support, ExpressExtension
Last modified 3/6/2020 6:45:10 AM EST