NOTICE: Taxpayers are strongly encouraged to visit the DRS website for answers to many questions. You may also email DRS at drs@po.state.ct.us. If contacting DRS by phone, please plan for wait times that may be longer than usual. See DRS FAQ's, which now include important information regarding Connecticut sales tax. Frequently Asked Questions

2016 Individual Income Tax Forms

 
 

Instruction Booklets

Name

Description

Revised
Date

Due
Date

CT-1040

2016 Connecticut Resident Income Tax Instruction Booklet

12/2016

N/A

CT-1040NR/PY

2016 Nonresident/Part-Year Resident Tax Instruction Booklet

12/2016

N/A

 

Forms & Instructions

 

Name

Description

Revised
Date

Due
Date

CT-1040

2016 Resident Income Tax Return

12/2016

04/15/2017

PART-YEAR / NONRESIDENT FORMS

CT-1040NR/PY

2016 Nonresident/Part-Year Resident Tax Return

12/2016

04/15/2017

Schedule
CT-SI

Nonresident or Part-Year Resident Schedule of Income From Connecticut Sources

12/2016

04/15/2017

CT-1040 AW

Part-Year Resident Income Allocation Worksheet

12/2016

04/15/2017

EITC FORMS

Schedule
CT-IT Credit

Income Tax Credit Summary

12/2016

04/15/2017

Schedule CT-EITC

2016 Connecticut Earned Income Tax Credit

12/2016

04/15/2017

OTHER FORMS & SCHEDULES

CT-1040BA

Nonresident Business Apportionment Schedule

12/2016

N/A

CT-1040CRC

Claim of Right Credit

12/2016

N/A

Schedule
CT-CHET

2016 Connecticut Higher Education Trust (CHET) 529 College Savings Plan Contribution

12/2016

N/A

CT-1040EFW

Connecticut Electronic Withdrawal Payment Record

12/2016

N/A

CT-1040ES

2017 Estimated Connecticut Income Tax Payment Coupon for Individuals

12/2016

varies

CT-1040 EXT

2016 Application for Extension of Time to File Income Tax Return for Individuals

12/2016

04/15/2017

CT-1040V

Connecticut Electronic Filing Payment Voucher

12/2016

N/A

Schedule
CT-1040WH

Connecticut Income Tax Withholding Supplemental Schedule

12/2016

N/A

CT-1040X

Amended Income Tax Return for Individuals

12/2016

N/A

CT-1127

Application for Extension of Time for Payment of Income Tax

12/2016

N/A

CT-19 IT

Title 19 Status Release Form

12/2016

N/A

CT-2210

Underpayment of Estimated Income Tax by Individuals, Trusts and Estates (Schedules A & B)

12/2016

N/A

CT-3911

Taxpayer Statement Regarding Refund - Use this form to report a lost, stolen or missing refund check

07/2016

N/A

CT-4852

Substitute for Forms W-2 and 1099-R

12/2006

N/A

CT-6251

Connecticut Alternative Minimum Tax Return

12/2016

N/A

CT-8379

Non-obligated Spouse Claim

12/2016

N/A

CT-8801

Credit for Prior Year Connecticut Minimum Tax for Individuals, Trusts and Estates

01/2017

N/A

CT-8822

Change of Address for Individuals

12/2010

N/A

CT-8857

Request for Innocent Spouse Relief

12/2016

N/A

CT-IRF

Insurance Reinvestment Fund Credit

12/2016

N/A

OP-186

Individual Use Tax Return

09/2015

N/A

CT-12-717A

Change of Resident Status - Special Accruals Connecticut Surety Bond Form

2017

N/A

CT-12-717B

Change of Resident Status - Special Accruals Other Acceptable Security Form

2017

N/A

CT-12-717A&B

Forms CT-12-717 A and CT-12-717 B Instructions

2017

N/A

CT-AIT Angel Investor Tax Credit
02/2017
N/A
 

Tax Tables & Calculators

 

Name

Description

Revised
Date

Due
Date

2016 Tax Tables to $500K

12/2016

N/A

2016 Tax Tables to $102K

12/2016

N/A

Calculation Schedule

Use this schedule to calculate the tax if your a.g.i is over $102,000

12/2016

N/A

Income Tax Calculator Use this calculator to determine your tax liability, regardless of your a.g.i.

12/2016

N/A

Property Tax Calculator Use this calculator to determine the amount of your property tax credit
12/2016

N/A