2018 Withholding (Payroll) Tax Forms

Click here to file your IL-941 return or pay your IL-501 in MyTax Illinois

NameDescription
IL-501  Payment Coupon and Instructions
IL-941 Instructions Illinois Withholding Income Tax Return
IL-941-X Instructions Amended Illinois Withholding Income Tax Return
Schedule P CSV Instructions Illinois Withholding Payroll Schedule
IL-700-T  Illinois Withholding Tax Tables