Supreme Court ruling on sales tax creates headaches – and expenses – for some small-business owners

Brad Scott says the business he and his wife run in Prescott, Arizona, has been consistently profitable, enjoying solid revenue and many loyal customers around the nation.

But for the past year or so, Scott has had trouble sleeping and spends much of his waking time scouring state government websites for updates and signs of trouble.

The reason? A Supreme Court decision in 2018 that changed the way businesses must track sales taxes – and exemptions from those taxes, if applicable – has made it much more difficult for some businesses to meet their compliance requirements, has increased costs and has boosted their liability.

Scott's company mainly generates wholesale transactions for which it doesn't collect sales tax – its customers do when they sell to consumers.

When the company receives an order from a new customer, it must make sure it has the necessary sales tax exemption paperwork on file for whichever state the customer operates in.

Those customers – mainly jewelry makers – collect sales tax on their retail transactions. His company, as a wholesaler supplying beads, chains and other materials, must maintain and manage tax exemption certificates for the various states, even if not responsible for paying any tax.

"It has become an enormous challenge trying to comply with the different state requirements," Scott said. Hardly a week goes by when his company doesn't receive a notification from a state revenue department somewhere alleging inaccurate tax remittances or other problems.

What changed was the way businesses must collect and remit taxes from their retail sales or manage wholesale exemptions.

The court's ruling, in South Dakota vs. Wayfair, mandates that companies collect taxes in each state where they generate a certain amount of revenue or number of transactions, even if they lack a store, warehouse or other physical presence. The amounts vary, but $100,000 in sales and 200 or more transactions per state is a common threshold.

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Even if a business, as a wholesaler, doesn't need to collect and remit sales taxes, it faces a paperwork burden showing that it complied with each state's exemption laws.

The flip side is that states are capturing more revenue to fund needed services from remote sellers. For example, in October and November, the first two months under the new requirement in Arizona, the state collected $51.6 million from 2,100 out-of-state businesses, the majority of which didn't previously pay, according to Ed Greenberg, a Department of Revenue spokesman.