Payroll Taxes

Learn more about keeping your business compliant with payroll tax requirements.

Connecticut Income Tax Withholding Payment and Filing Requirements

Employers in Connecticut must conform with these state rules relating to filing income tax withholding returns.

Periodic Returns. Quarterly (Form CT-941) due by the end of the month following each calendar quarter. Annually (Form CT-941) due by January 31 of the following year.

Annual Reconciliation. Form CT-W3 due by last day of February.

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