Connecticut State Department of Revenue Services

Individual Income Tax Filers:  DRS will be holding a webinar on Wednesday, April 2, at 10:00 a.m.  This session will provide information for filing 2024 Connecticut income tax returns and helpful tips for electronically filing such returns. Select here to register.

New Businesses:  DRS will be holding a webinar on Wednesday, April 16, at 10:00 a.m. This session will provide an overview of the requirements for registering a new business with DRS. Select here to register.

Forms & Instructions

Name
 Description
 Revised
Date
CT-706/709
 2024 Connecticut Estate and Gift Tax Return-Fillable
 06/2024
CT-706/709 Line Instructions
 2024 Connecticut Estate and Gift Tax Return Line Instructions
 06/2024
CT-706/709 EXT
 2024 Application for Estate and Gift Tax Return Filing Extension and for Estate Tax Payment Extension - Fillable
 06/2024
Schedule CT-709 Farmland
 Schedule CT-709 Farmland - Fillable
 06/2023
Schedule CT-706 Farmland
 Schedule CT-706 Farmland
 06/2023
CT-4422 UGE
 Application for Certificate Releasing Connecticut Estate Tax Lien for estates of decedents dying on or after January 1, 2005
 12/2022
Form C-3 UGE
 State of Connecticut Domicile Declaration
 05/2011

TABLES

Name
 Description
 Revised
Date
C-106
 Interest Rates on Underpayments and Overpayments of Succession and Transfer Taxes and the Estate Tax
 2002

Non-Taxable Series - TO BE FILED ONLY WITH THE PROBATE COURT

Name

Description

Revised
Date

CT-706NT

2024 Connecticut Estate Tax Return (For Nontaxable Estates) - Fillable

06/2024

CT-706NT- Instructions

Connecticut Estate Tax Return (For Nontaxable Estates) Instructions

 06/2024

CT-706NT EXT

Application for Extension of Time for Filing Form CT-706 NT

 06/2024

Federal Form 712

Life Insurance Statement (Estates must complete and attach federal Form 712 to Form CT-706 NT)

04/2006