Corporate Income Tax - IL-1120

• Current Year (For tax years ending on or after 12/31/2011 and on or before 12/30/2012)
• Prior Years

Exempt Organization Income and Replacement Tax - IL-990-T

• Current Year (For tax years ending on or after 12/31/2011 and on or before 12/30/2012)
• Prior Years

Fiduciary Income and Replacement Tax - IL-1041

• Current Year (For tax years ending on or after 12/31/2011 and on or before 12/30/2012)
• Prior Years

Partnership Replacement Tax - IL-1065

• Current Year (For tax years ending on or after 12/31/2011 and on or before 12/30/2012)
• Prior Years

Small Business Corporation Replacement Tax - IL-1120-ST

• Current Year (For tax years ending on or after 12/31/2011 and on or before 12/30/2012)
• Prior Years

Withholding Tax (Payroll) - IL-941

• 2012 Tax Year (For withholding taxes beginning 01/01/2012)
• 2011 Tax Years and Prior (For withholding taxes prior to 01/01/2012)

Illinois Department of Employment Security Forms (Unemployment)

 

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