BizFilings Logo
800-981-7183

Illinois Income Tax Withholding Payment and Filing Requirements

Filed under Payroll Taxes. Fact checked on February 8, 2013.

Article Tools

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

Periodic Returns. Quarterly (Form IL-941) due by last day of the month following the quarter. Annually (Form IL-941) due by January 31 of the following year. Semi-weekly payments, or monthly (Form 501 with payment by the 15th day of the following month) payments, may be required of some employers.

Annual Reconciliation Returns. None (Form IL-W-3 no longer required)

Article Tools

blog comments powered by Disqus
Next Article in Tax Center
Idaho - Income Tax Withholding Payment and Filing Requirements

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

Read More »Next Article
Close