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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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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 ...

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Sales Tax Update - January 2026

1/8/2026

2026 - THE YEAR OF THE SALES TAX AUDIT

As we predicted at the beginning of last year, 2025 brought heightened enforcement and increased sales tax audit activity for remote sellers and all sellers, particularly in e-commerce, SAAS and digital service industries.  In 2025, Dillon Tax Consulting represented taxpayers in more sales tax audits that in ...

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