If you’re a taxpayer and have ordered anything online – which is pretty much all of us – you need to be aware of changes in the sales tax law and how it affects you.

In 2018, the United States Supreme Court ruled on a case called South Dakota vs. Wayfair regarding the collection of state-based sales tax. The Court ruled in favor of South Dakota in determining that states can charge tax on purchases made from out-of-state sellers, even if the seller does not have a physical presence in the taxing state. The state also has the right to request sales information from entities such as eBay, Etsy, Amazon, and other online retailers in order to assess sales tax.

This means that Internet retailers – those who may have no other tie to a state but for Internet sales made by people in the state – may be subject to pay sales tax to that state. This was not the case previously.

Each state will decide what the threshold for filing and reporting sales tax is in their state. For example, many states already had economic thresholds established for those retailers who had no physical presence in their state. But now states can be more aggressive in how they get their information. An example of this going in to practice in the state of Wisconsin is forcing Amazon to turn over all seller information.

What does this mean for business owners?

One of the biggest ways business owners will feel the impact of South Dakota vs. Wayfair is through the sale of goods on Amazon.com. The California Department of Tax and Fee Administration (CDFTA) has been sending letters to users of the “fulfillment by Amazon” warehouse centers in California. The letter informs the sellers they may be required to pay sales tax.

A taxpayer may be required to pay California sales tax when they engaged in any business or sales within the state. This may include having a physical office or a person working for the seller living in the state. It may also include storing products and inventory at an Amazon Fulfillment Center. Those specifics aside, it may be that you do not owe taxes because of California’s statutory exemptions from sales tax.

If you are a business owner and you received a letter from CDFTA, it’s critical you talk with an experienced attorney to determine whether you need to comply with the CDFTA and pay taxes. Do not try to make this determination on your own, as it could cost you money in taxes and penalties.

Allison Soares is a partner and tax attorney at Vanst Law. It doesn’t matter the issue: audits, collections, appeals, international disclosures, grumpy people— Allison enjoys fixing problems. In addition to her legal work, she has worked in accounting and utilizes that knowledge to her advantage while handling cases involving audits.

Allison Soares

Allison Soares, a renowned tax attorney, excels in representing clients before the IRS, FTB, EDD, and CDTFA. With a Bachelor of Arts in Finance from the University of Wisconsin, Milwaukee, and a transformative teaching stint in Brazil, Allison’s diverse background enriches her legal expertise. She pursued law at St. Thomas University School of Law, Miami, complementing it with an MBA in accounting and forensic accounting. Further honing her skills, she obtained a Master of Laws in Taxation from the University of San Diego School of Law. As an adjunct professor at San Diego State University, Allison imparts her knowledge in tax procedures, practice, and ethics. Her accolades include being named Best of the Bar by the San Diego Business Journal and multiple Super Lawyer recognitions. Committed to community service, she volunteers with Forever Balboa Park and Friends of Balboa Park. Allison’s authoritative contributions in tax law are showcased through her publications and speaking engagements.
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I can't recommend Allison enough! She helped me successfully navigate a stressful EDD audit with expertise and grace. Not only is she incredibly smart and thorough, but she's also genuinely kind—something you don’t always expect from an attorney. Her support and guidance made all the difference. If you need a tax attorney who knows her stuff and truly cares, she's the one to call!
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Thank you Allison for all of your help and knowledge, and your strong team And referrals. I am beyond grateful. You went above and beyond my expectations.
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2024- Working with Allison has been an incredibly smooth experience both times I’ve worked with her. Her expert advice and the support she provides are outstanding, and we’ve had nothing but positive results each time. 2020- I was so impressed with her work during an EDD audit. I would HIGHLY recommend Allison to anyone going through an EDD Audit. From the very first 3 minutes of speaking with her, she was super helpful and professional, while also making me feel like I was talking to a friend, which really helped calm my anxiety. Allison was dedicated to helping us achieve the best possible outcome and was honest about all scenarios, even preparing us for the worst. We ended up with the VERY best outcome because of how she guided us through the process and made sure we had everything ready to tell our story to the auditor. If you want someone who truly listens, understands your business, and will be your biggest advocate, call Allison now! Be ready because she’s quick to respond with both calls and emails.
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Nadine Kunal
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Very thoughtful, concise, and honest advice provided. Would recommend her council to my family.
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Alex L
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We retained the services of Allison Soares for a recent IRS audit. The IRS was claiming we owed an exorbitant amount of money. After interviewing several qualified attorneys, Allison was the obvious choice. During this very stressful time for our family, we appreciated how knowledgeable and responsive she was from the very first call. Her professionalism and commitment to our case was truly impressive. She pointed out a few critical points, that another attorney may have missed, which we believe helped our case immensely. She guided us through this complicated process with great success and we could not have been happier with the outcome of the audit. We are 100% satisfied with her work and would highly recommend her to anyone seeking legal tax advice. Thank you so much Allison, we are truly grateful for all your hard work.
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I called this office to have a tax issue clarified for me. I have never received more candid, honest, and useful information. I would highly recommend Allison Soares.
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Allison Soares is incredibly knowledgeable, prompt, and helpful. Her detailed expertise in tax matters made my experience exceptional. Highly recommended!
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Allen Wang
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I received an EDD audit letter for my small s-corp business. I feel nervous. Fortunately I found Allison. I talked with her on phone today about my business and my concern, she gave me very solid suggestions and confidence to handle this. She is very honest and I highly recommend her to anyone who has trouble with EDD audit!
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Allison Soares is a great tax attorney. She helped my business navigate an difficult tax situation and I am very happy with the outcome