- September 2022 - Improper Reporting of Grocery Tax Suspension Sales on Form ST-1
- October 2021 - Tax Remittance Obligations for the Metropolitan Pier and Exposition Authority (MPEA) Retailers' Occupation Tax on Food and Beverages Under the New Marketplace Facilitator Law - This compliance alert is being issued to supersede Compliance Alert 2021-02, issued February 2021.
- October 2021 - Tax Collection Obligations of Remote Retailers, Marketplace Sellers, and Marketplace Facilitators for Chicago Home Rule Municipal Soft Drink Retailers' Occupation Tax, Prepaid Wireless E911 Surcharge, and Illinois Telecommunications Access Corporation Assessment - This compliance alert is being issued to supersede Compliance Alert 2021-01, issued February 2021.
- June 2021 - Compliance and Reporting Issues for Form ST-1, Sales and Use Tax Return
- June 2021 - Clarification Issued to Municipalities with Business Districts Regarding Proper Reporting of Addresses
- April 2021 - Proper Taxation of Cannabis Concentrates by Illinois Dispensaries
- January 2020 - Compliance Alert - Cannabis Dispensaries Charging the Incorrect Tax Rates on Cannabis Sales
- October 2019 - Compliance Alert - Food Vendors Neglecting to Collect Illinois Sales Tax on Sales of Ready-Made Meals for School Lunch Programs
- August 2019 - Compliance Alert - Procedures for Reporting Selling Price on Transaction Returns for Leases (Forms ST-556-LSE and RUT-25-LSE)
- March 2017 - Procedures to Obtain a Deduction for Destroyed Liquor
- November 2016 - Penalty for Dealers Who Fail to File Form ST-556 or Form ST-556-LSE When Making Sales for Which No Tax Is Due
- June 2016 - Farm Machinery and Equipment Exemption Not Allowed for Trailers Used to Transport Livestock or Crops
- June 2016 - Persons or entities renting living quarters or sleeping accommodations to the public must remit hotel tax - CA-2016-15 Questions and Answer
- June 2015 - Construction Contracts and Retailers' Occupation Tax
- August 2013 - Manufacturer Purchase Credit
- January 2012 - Schedule UB, Combined Apportionment for Unitary Business Groups
- August 2011 - Vendors of Meals
- June 2011 - Pet Breeders
- April 2011 - Out-of-State Leasing Companies
- November 2010 - Charitable Gaming
- November 2010 - Tobacco Products Tax
- November 2010 - On-premise Cigarette Production Equipment
- August 2007 - Extraterritorial Income Exclusion (EIE)
- June 2007 - All Terrain Vehicle (ATV)
- March 2007 - Required Withholding Income Tax Deposits
- December 2006 - Pass-through Entities
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