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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 any of our previous years (30+) in multistate sales tax.  Furthermore, the states were far more aggressive in their pursuit of additional revenues than in previous experiences.  So what are some of the reasons for this, and why do we predict that it will continue ...

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marketplace

Economic Nexus Update: July 8, 2020 – TN, LA, IL

Michael T Dillon, Dillon Tax Consulting LLC
7/8/2020

As we have previously reported, since the U.S. Supreme Court’s landmark decision in South Dakota v. Wayfair, 585 U.S. __ (June 21, 2018), forty-four (44) states have adopted economic nexus provisions for sales tax compliance purposes.  The biggest trends right now continue to be that states are revising their thresholds and also adopting ...

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Economic Nexus Update: July 2, 2019 – CO, CT, IL, ME, NY

Michael T Dillon, Dillon Tax Consulting LLC
7/2/2019

As we have previously reported, since the U.S. Supreme Court’s landmark decision in South Dakota v. Wayfair, 585 U.S. __ (June 21, 2018), forty-three (43) states have adopted economic nexus provisions for sales tax compliance purposes.  The biggest trends right now are that states are revising their thresholds and also adopting marketplace nexus ...

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Economic Nexus Update – AZ, MD, OK, MN

Michael T Dillon, Dillon Tax Consulting LLC
6/5/2019

As we have previously reported, since the U.S. Supreme Court’s landmark decision in South Dakota v. Wayfair, 585 U.S. __ (June 21, 2018), forty-three (43) states have adopted economic nexus provisions for sales tax compliance purposes.  Arizona and Oklahoma are most recent states to enact an economic nexus provision for remote sellers.

Since ...

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Economic Nexus Update – CA, NY, SC, IN, UT

Michael T Dillon, Dillon Tax Consulting LLC
5/16/2019

As we have previously reported, since the U.S. Supreme Court’s landmark decision in South Dakota v. Wayfair, 585 U.S. __ (June 21, 2018), forty-two (42) states have adopted economic nexus provisions for sales tax compliance purposes.  The most compelling change for states that have adopted economic nexus is that California has enacted Assembly ...

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Economic Nexus Update – ID, RI, KY, VA, AR, NM, WV, WY, ND, HI

Michael T Dillon, Dillon Tax Consulting LLC
4/19/2019

Since the U.S. Supreme Court’s landmark decision in South Dakota v. Wayfair, 585 U.S. __ (June 21, 2018), forty-two (42) states have adopted economic nexus provisions for sales tax compliance purposes.  With the state legislative sessions in full swing, we are seeing the predictions become a reality.  The most compelling change is the ...

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