All About 2015 Illinois Taxes

Looking for Illinois state tax information? In this article, you will find the latest resources on state tax, unemployment, income tax and more. Illinois Department of Revenue
Illinois Department of Employment Security

Illinois Withholding Requirements:

• Register new businesses by filing Form REG -1 (Business Registration Application)
• Employee's Illinois Withholding Allowance: IL-W-4
• Withholding Method = 3.75%
• Supplemental Rate = Withhold at 3.75%

Illinois Local Taxes:

Chicago Employer Expense Tax - $2 per month per employee and commission merchant (in excess of 49). As of January 1, 2014 this has been phased out.

State Unemployment Insurance (SUI):

Register as employer by filing Form UI-1 (Report to Determine Liability)Report quarterly wages and contributions by filing Form UI-3/40 Employer's Contribution and Wage Report) by last day of month following end of quarter.
Wage base is $12,960 for 2014 and 2015
Rates range from 0.55% to 8.55% for 2014 and 0.55% to 8.15% for 2015
New employers use 3.95% for 2014 and 3.75% for 2015>
New construction employer should use 5.85% for 2014 and 5.45% for 2015.
Rates include the 0.550% fund-building factor

Illinois State Disability Insurance (SDI):

none

Illinois State labor laws:

Minimum Wage - $8.25
Termination Pay - Fired/Quit - next regular payday.

Illinois New Hire Reporting:

Employers must report hiring, rehiring, and return reporting to work within 20 days on New Hire Reporting Form to: Illinois New Hire Directory
P.O. Box 19473 Springfield, IL 62794-9473
Phone: 312-327-4473
Fax: 217-557-1947

Illinois Remit Withholding for Child Support to:

Illinois State Disbursement Unit
P.O. Box 5400 Carol Stream, IL 60197-5400
Phone: 877-664-5738

Illinois Reciprocity States:

Iowa, Kentucky , Michigan , Wisconsin

For paycheck calculation visit the Illinois Paycheck Calculator of PaycheckCity.