Connecticut State Department of Revenue Services

Highway Use Fee - Registration is now open for certain carriers to register for the new Connecticut Highway Use Fee - Click here for more information.

IMPORTANT INFORMATION - the following tax types are now available in myconneCT: Individual Income Tax, Attorney Occupational Tax, Unified Gift and Estate Tax, Controlling Interest Transfer Tax, and Alcoholic Beverage Tax. - Click here for the latest information.

2015 Withholding Tax Forms

Tables and Publications

Name

Description

Revised
Date

Due
Date

2016 Withholding Tables

12/2015

N/A

IP 2016(1)

Connecticut Circular CT Employer's Tax Guide

12/2015

N/A

IP 2016(7)

Is My Connecticut Withholding Correct?

12/2015

N/A

IP 2015(8.1)

Connecticut Tax Guide for Payers of Nonpayroll Amounts

08/2015

N/A

TPG-211

2016 Withholding Calculation Rules

12/2015

N/A

Withholding Forms

Name

Description

Revised
Date

Due
Date

CT-W4

2016 Employee's Withholding Certificate

12/2015

N/A

CT-941

2016 Connecticut Quarterly Reconciliation of Withholding

02/2016

CT-941

2015 Connecticut Quarterly Reconciliation of Withholding

12/2015

CT-941X

Connecticut Quarterly Reconciliation of Withholding

07/2015

CT-8109

2016 Connecticut Withholding Tax Payment Form

04/2016

CT-8109

2015 Connecticut Withholding Tax Payment Form

03/2015

CT-945

2015 Connecticut Annual Reconciliation of Withholding for Nonpayroll Amounts

12/2014

CT-W3

2015 Connecticut Annual Reconciliation of Withholding

08/2015

01/31/16

CT-1096

2015 Connecticut Annual Summary and Transmittal of Information Returns

08/2015

CT-W4P

2016 Withholding Certificate for Pension or Annuity Payments

01/2016

N/A

CT-W4NA

2016 Employees Withholding or Exemption Certificate-Nonresident Apportionment

12/2015

N/A
Athletes & Entertainers

Name

Description

Revised
Date

Due
Date

CT-588

Athlete or Entertainer Request for Reduced Withholding

10/2015

CT-590

Athlete or Entertainer Request for Waiver of Withholding

10/2015

CT-592

Athlete or Entertainer Withholding Tax Statement

03/2010

CT-945 ATHEN

2015 Connecticut Annual Reconciliation of Withholding for Nonpayroll Amounts

10/2015

CT-1096 ATHEN

2015 Connecticut Annual Summary and Transmittal of Information Returns

10/2015

Household Employers

Name

Description

Revised
Date

Due
Date

CT-941 HHE

2015 Connecticut Reconciliation of Withholding for Household Employers

10/2015

CT-W3 HHE

2015 Connecticut Annual Reconciliation of Withholding for Household Employers

10/2015
Information Returns

Name

Description

Revised
Date

Due
Date

CT-8508

Request for Waiver from Filing Information Returns Electronically

10/2015

CT-6559

Submitter Report for Form W-2 Compact Disc (CD) Filing

12/2014

CT-6559A

Continuation Sheet for Form CT-6559, Submitter Report for Form W-2 Compact Disc (CD) Filing

10/2009

CT-4804

Transmittal of Information Returns Reported on Compact Disc (CD)

12/2014

CT-4802

Transmittal of Information Returns Reported on Compact Disc (CD) Continuation

09/2008

CT-8809

Request for Extension of Time to File Information Returns (For Forms W-2, W-2G, 1099-R, and 1099-MISC)

10/2015

Information Return Publications

IP 2015(10)

2015 Forms 1098, 1099-MISC, 1099-R, and W-2G - Electronic Filing Requirements for Tax Year

10/2015

N/A

IP 2015(9)

2015 Form W-2 Electronic Filing Requirements

10/2015

N/A