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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.

Observed Holiday Schedule

For a listing of federal bank holidays, please check the Federal Reserve's website.

IDOR Holidays
2025 2026 2027
New Year's Day Wednesday, January 1 Thursday, January 1 Friday, January 1
Martin Luther King Day Monday, January 20 Monday, January 19 Monday, January 18
Lincoln's Birthday Wednesday, February 12 Thursday, February 12 Friday, February 12
Presidents' Day Monday, February 17 Monday, February 16 Monday, February 15
Memorial Day
Monday, May 26 Monday, May 25 Monday, May 31
​Juneteenth
Thursday, June 19​ Friday, June 19 Friday, June 18
Independence Day Friday July 4 Friday, July 3 Monday, July 5
Labor Day Monday, September 1 Monday, September 7 Monday, September 6
Columbus Day Monday, October 13 Monday, October 12 Monday, October 11
General Election Day No General Election Tuesday, November 3 No General Election
Veterans' Day Tuesday November 11 Wednesday, November 11 Thursday, November 11
Thanksgiving Thursday and Friday
November 26 and 27
Thursday and Friday
November 26 and 27
Thursday and Friday
November 25 and 26
Christmas Day Thursday, December 25 Friday, December 25 Friday, December 24