Kansas Income Tax Withholding Payment and Filing Requirements
Employers in Kansas must conform with these state rules relating to filing income tax withholding returns.
Periodic Returns. Quarterly (Form KW-5) due by the 25th day of the month following the quarter. Monthly (Form KW-5) due by the 15th of the following month.
Annually (Form KW-3) due before January 25 of the following year.
Semi-monthly or quad-monthly (Form KW-5) may be required.
Annual Reconciliation Returns. Form KW-3 due by last day of February.