Connecticut | Personal Tax Extension | Form CT-1040 EXT | Application for Extension of Time to File Connecticut Income Tax Return for Individuals

Modified on Wed, 12 Apr, 2023 at 5:20 AM

State Abbreviation	CT
State Name	Connecticut
Extension Status	Approved with Federal Extension
Return Due Date	April 18, 2023
Extended Due Date	October 16, 2023
Other Information	Connecticut grants an automatic 6 month extension provided you have been approved for a federal extension by the IRS. You will be subject to interest and may be subject to a penalty on any amount of tax not paid on or before the original due date of your return.
Online Payment	Connecticut \| Online Tax Extension Payment
Payment Voucher Title	Form CT-1040 EXT, Application for Extension of Time to File Connecticut Income Tax Return for Individuals
State Payment Agency	Department of Revenue Services, State of Connecticut
Mailing Address with Payment	No payment included: Department of Revenue Services, State of Connecticut P.O. Box 2976 Hartford, CT 06104-2976. With payment included: Department of Revenue Services, State of Connecticut P.O. Box 2977 Hartford, CT 06104-2977
Online Payment Options \| Credit Card	Visit www.acipayonline.com and select “state payments.” A convenience fee will be charged by the service provider.
Online Payment Options \| ACH Debit	To make direct payment from a bank account, visit the TSC at https://portal.ct.gov/TSC and follow the prompts or visit https://drsindtax.ct.gov to make a payment without logging into the TSC.
Failure to File Penalties	Greater of $50 or 10% of unpaid tax.
Failure to Pay Penalties	10% of unpaid tax.