Illinois Withholding Tax




Withholding tax is a government requirement for the payer of an item of income to withhold or deduct tax from the payment, and pay that tax to the government. In most situations, withholding tax applies to employment income.  Withholding Tax can also be applied to interest and dividend payments, IRA distributions and even salesof real estate.

Illinois Withholding Tax

Illinois employers are require to withhold Illinois Income Tax from employee compensation paid in Illinois.  Generally payers (employers) are required to withhold tax for

  • employee compensation (i.e., wages and salaries) paid in Illinois,
  • gambling or lottery winnings in Illinois paid to an Illinois resident, or
  • unemployment paid to an Illinois resident who has asked to have Illinois taxes withheld.

 

Illinois Withholding Tax Forms

Form Number Form Description
Form IL-941 Illinois Withholding Income Tax Return
Form IL-501 Payment Coupon and Instructions

When to File and Deadlines for Illinois Withholding Tax Return

Generally, Illinois Withholding Tax returns have to be filed quarterly (every 3 months) ending in March 31 (Q1), June 30 (Q2), September 30 (Q3) and December 31 (Q4). Typically, the deadline to mail Illinois Withholding Tax return is the last day of the following month.

Quarter Months Deadline
Q1 January - March April 30
Q2 April - June July 31
Q3
July - September October 31
Q4 October - December January 31

However, payments are usually require monthly.  Taxpayers who have been registered less than 18 months are assigned to the monthly payment and quarterly return schedule.

Payment Address:

ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19052
SPRINGFIELD IL 62794-9052

 

Illinois IL Withholding Tax Contacts and Address:

For more information or help on Illinois Withholding Tax, please use the contact information below

Visit our website at tax.illinois.gov or  Call us at 1 800 732-8866 or 217 782-3336

ILLINOIS DEPARTMENT OF REVENUE
PO BOX 19052
SPRINGFIELD IL 62794-9052

 

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