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Sales Tax Update - May 2026

by Michael T. Dillon, Esq., Dillon Tax Consulting LLC
5/13/2026

The recent decision by the California Office of Tax Appeals (OTA) is a reminder that states have owner / officer liability provisions under which persons defined as “responsible persons” can be held personally liable for the sales tax debts of the organization. [Z. Sultana, California Office of Tax Appeals, 2026-OTA-204P, May 2026]

California Department of Tax and Finance Administration (CDTFA) conducted a sales tax audit of Ark (a clothing store) for sales tax for the periods 2014-2016, and reviewed z-tapes (i.e., cash register tapes), bank statements and daily sales worksheets.  The auditor found a material difference of nearly $700,000 ...

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Wayfair: The U.S. Supreme Court Throws Out the Physical Presence Requirement for Sales Tax Nexus – What Does This Mean for Remote Sellers?

Michael T Dillon, Dillon Tax Consulting LLC
6/22/2018

As I predicted in my March 24, 2018 article “The Future of the Quill Sales Tax “Physical Presence” Nexus Standard – Part Two”, yesterday the United States Supreme Court threw out the 51 year old physical presence sales tax nexus standard, when it rendered its decision in South Dakota v. Wayfair, Inc., et al ., 585 U ...

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The Future of the Quill Sales Tax “Physical Presence” Nexus Standard – Part Two

Michael T Dillon, Dillon Tax Consulting LLC
3/24/2018

In Part One of this two-part article, we discussed the physical-presence requirement for sales tax nexus, as established by the U.S. Supreme Court in the 1992 case Quill Corp. v. North Dakota, 504 U.S. 298 (1992).  We also provided an overview of the Court’s decisions that led to the Quill physical-presence standard ...

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The Future of the Quill Sales Tax “Physical Presence” Nexus Standard – Part One

Michael T Dillon, Dillon Tax Consulting LLC
3/7/2018


The United States Supreme Court is set to hear oral arguments on April 17, 2018, in South Dakota v. Wayfair, Inc. et. al. [South Dakota v. Wayfair Inc., et. al., 901 N.W.2d 754 (S.D. September 13, 2017); cert. granted (U.S. January 12, 2018)(No. 17-494)]  At issue is whether the Court ...

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