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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

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Sales Tax Rate - Machine Readable Files

Note: Tax rate changes generally occur effective January 1 or July 1 of each year.

Sales Tax

These Sales Tax rate machine readable files are county/municipality (origin-based sales tax rate) specific. For Sales Tax rate machine readable files that are address (destination-based sales tax rate) specific, visit the Sales Tax Rate Machine Readable File - Address Specific landing page.

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