CT.gov Home drs-beta Current: 2023 Informational Publications Trending Now For Businesses For Individuals Practitioners Forms Publications Research Library Search Department of Revenue Services Search the current Agency with a Keyword Filtered Topic Search 2023 Informational Publications IP 2023(1), Connecticut Employer's Tax Guide, Circular CT IP 2023(7), Is My Connecticut Withholding Correct? IP 2023(8), Connecticut Tax Guide for Payers of Nonpayroll Amounts