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2017 Withholding Forms

Withholding Tax Forms

Tables and Publications

Name  Description Revised Date Due Date
 2018 Withholding Tax Tables  10/2017  N/A
 IP 2018(1) Connecticut Circular CT Employer's Tax Guide  12/2017  N/A
 IP 2018(7) Is My Connecticut Withholding Correct?  12/2017  N/A
 IP 2016(8) Connecticut Tax Guide for Payers of Nonpayroll Amounts  09/2016  N/A
 TPG-211 2018 Withholding Calculation Rules  10/2017  N/A
 TPG-211 2017 Withholding Calculation Rules  12/2016  N/A

Withholding Forms

Name Description Revised Date Due Date
CT-W4 2018 Employee's Withholding Certificate 12/2017  N/A
CT-941 2017 Connecticut Quarterly Reconciliation of Withholding 02/2017  N/A
CT-941 2018 Connecticut Quarterly Reconciliation of Withholding 11/2017  N/A
CT-941X Amended Connecticut Reconciliation of Withholding  12/2017  
CT-8109 2018 Connecticut Withholding Tax Payment Form for Nonpayroll Amounts  12/2017  
CT-8109 2017 Connecticut Withholding Tax Payment Form for Nonpayroll Amounts  03/2017  
CT-945  2017 Connecticut Annual Reconciliation of Withholding for Nonpayroll Amounts 09/2017  01/31/2018
CT-945 2016 Connecticut Annual Reconciliation of Withholding for Nonpayroll Amounts 10/2016 N/A
CT-W3 2017 Connecticut Annual Reconciliation of Withholding  07/2017  01/31/2018
CT-1096 2017 Connecticut Annual Summary and Transmittal of Information Returns  09/2017  01/31/2018 
CT-W4P  2018 Withholding Certificate for Pension or Annuity Payments  10/2017   
CT-W4NA 2018 Employees Withholding or Exemption Certificate-Nonresident Apportionment  12/2017  N/A 
Schedule CT-1040WH Connecticut Income Tax Withholding Supplemental Schedule 12/2017

 

Athletes & Entertainers

Name Description Revised Date Due Date
CT-588 Athlete or Entertainer Request for Reduced Withholding 03/2017  
CT-590  Athlete or Entertainer Request for Waiver of Withholding  03/2017   
CT-592  Athlete or Entertainer Withholding Tax Statement  12/2017   
CT-945 ATHEN  2017 Connecticut Annual Reconciliation of Withholding for Nonpayroll Amounts  09/2017 01/31/2018 
CT-1096 ATHEN  2017 Connecticut Annual Summary and Transmittal of Information Returns  09/2017  01/31/2018 

Household Employers

Name Description Revised Date Due Date
CT-941 HHE 2017 Connecticut Reconciliation of Withholding for Household Employers 09/2017  04/15/2018
CT-W3 HHE 2016 Connecticut Annual Reconciliation of Withholding for Household Employers  10/2016 N/A 
CT-W3 HHE 2017 Connecticut Annual Reconciliation of Withholding for Household Employers  07/2017  01/31/2018 

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  12/2017   
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)  12/2017   
CT-4802 Transmittal of Information Returns Reported on Compact Disc (CD) Continuation 12/2017   
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

Name Description Revised Date  Due Date 
IP 2017(12) 2017 Forms 1098, 1099-MISC, 1099-R, and W-2G - Electronic Filing Requirements for Tax Year  12/2017  N/A 
IP 2017(13) 2017 Form W-2 Electronic Filing Requirements  12/2017  N/A