2025 Informational Publications

Warning!

It seems that JavaScript is not working in your browser. It could be because it is not supported, or that JavaScript is intentionally disabled. Some of the features on CT.gov will not function properly with out javascript enabled.

Settings Menu

Language
High Contrast
High Contrast Mode On or Off switch
Font Size
Disclaimer

On Sunday and Monday, Connecticut will experience a blast of arctic temperatures. Governor Lamont has activated the Severe Cold Weather Protocol during this period. A list of shelters is available at 211ct.org or by calling 2-1-1. [Read more about the Severe Cold Weather Protocol]

2025 Informational Publications

IP 2025(1), Connecticut Employer’s Tax Guide, Circular CT

IP 2025(7), Is My Connecticut Withholding Correct? - CORRECTION ALERT

IP 2025(8), Connecticut Tax Guide For Payers of Nonpayroll Amounts

Prior Year Informational Publications

Connecticut State Department of Revenue Services

2025 Informational Publications