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Sales Tax Update - February 2026

by Michael T. Dillon, Esq., Dillon Tax Consulting LLC
2/18/2026

Effective January 1, 2026, a remote retailer or marketplace facilitator is required to register for Illinois sales tax (i.e., State and local Retailers' Occupation Tax (ROT)) if the retailer or facilitator makes $100,000 or more in cumulative gross receipts from sales of TPP to purchasers in Illinois during a 4 calendar quarter lookback period.  Prior to this change, Illinois alternatively considered economic nexus to exist if the seller made 200 or more separate transactions for the sale of TPP to purchasers in Illinois.

With the passage of Public Act 104-0006, Illinois follows the trend of states that have ...

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click-through nexus

Try, Try Again ... Illinois Imposes a New and “Improved?” Affiliate Nexus Law

Dillon Tax Consulting
2/10/2015

Effective January 1, 2015, out-of-state retailers are once again presumed to have sales tax nexus in Illinois if they satisfy the following criteria:

  • the out-of-state retailer has a contract with a person in Illinois;
  • under the contract, the person in Illinois refers potential customers to the retailer and the retailer pays to the person in ...
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