Recently implemented changes to the calculation of Connecticut (CT) state income tax withholding may have a significant effect on your paycheck.

Retroactive increases to certain tax rates, as well as the addition of a ‘catch-up’ element of withholding, means that for some employees, Connecticut’s state income tax withholding has increased substantially.

Please know that many companies have made these changes in accordance with the tax tables and regulations as published by the state of Connecticut (accessible online through Connecticut’s Department of Revenue Services at

US Payroll Services cannot provide you with individualized tax advice. However, should you wish to change your Connecticut Withholding Code to be used in calculating your state income tax withholding, please print, complete, and sign  a new Form CT-W4

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