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Scam Alert: Fake Texts and Websites Impersonating IDOR

Be alert for fraudulent messages or websites attempting to steal your banking information, login credentials, or credit card details. The Illinois Department of Revenue (IDOR) will never request personal or financial information via text message. To confirm official communications or contact details, always visit https://tax.illinois.gov.

Prior Years - Small Business Corporation Replacement Tax Forms and Schedules

  • 2023 - (For tax years ending on or after 12/31/2023 and on or before 12/30/2024)
  • 2022 - (For tax years ending on or after 12/31/2022 and on or before 12/30/2023)
  • 2021 - (For tax years ending on or after 12/31/2021 and on or before 12/30/2022)
  • 2020 - (For tax years ending on or after 12/31/2020 and on or before 12/30/2021)
  • 2019 - (For tax years ending on or after 12/31/2019 and on or before 12/30/2020)
  • 2018 - (For tax years ending on or after 12/31/2018 and on or before 12/30/2019)
  • 2017 - (For tax years ending on or after 12/31/2017 and on or before 12/30/2018)
  • 2016 - (For tax years ending on or after 12/31/2016 and on or before 12/30/2017)
  • 2015 - (For tax years ending on or after 12/31/2015 and on or before 12/30/2016)
  • 2014 - (For tax years ending on or after 12/31/2014 and on or before 12/30/2015)
  • 2013 - (For tax years ending on or after 12/31/2013 and on or before 12/30/2014)
  • 2012 - (For tax years ending on or after 12/31/2012 and on or before 12/30/2013)
  • 2011 - (For tax years ending on or after 12/31/2011 and on or before 12/30/2012)
  • 2010 - (For tax years ending on or after 12/31/2010 and on or before 12/30/2011)
  • 2009 - (For tax years ending on or after 12/31/2009 and on or before 12/30/2010)
  • 2008 - (For tax years ending on or after 12/31/2008 and on or before 12/30/2009)
  • 2007 - (For tax years ending on or after 12/31/2007 and on or before 12/30/2008)
  • 2006 - (For tax years ending on or after 12/31/2006 and on or before 12/30/2007)
  • 2005 - (For tax years ending on or after 12/31/2005 and on or before 12/30/2006)
  • 2004 - (For tax years ending on or after 12/31/2004 and on or before 12/30/2005)
  • 2003 - (For tax years ending on or after 12/31/2003 and on or before 12/30/2004)
  • 2002 - (For tax years ending on or after 12/31/2002 and on or before 12/30/2003)
  • 2001 - (For tax years ending on or after 12/31/2001 and on or before 12/30/2002)
  • 2000 - (For tax years ending on or after 12/31/2000 and on or before 12/30/2001)
  • 1999 - (For tax years ending on or after 12/31/1999 and on or before 12/30/2000)
  • 1998 - (For tax years ending on or after 12/31/1998 and on or before 12/30/1999)
  • 1997 - (For tax years ending on or after 12/31/1997 and on or before 12/30/1998)

For tax returns prior to 1997, email us your form request.