The Week in Wayfair: The world of e-commerce selling is still adapting to the U.S. Supreme Court’s groundbreaking 2018 ruling in South Dakota v. Wayfair, which permitted states to impose tax collection duties on remote retailers based on economic activity rather than physical presence. This week Massachusetts announced a new filing format for retailers, and five states were identified for compliance gaps with the Streamlined Sales and Use Tax Agreement. Meanwhile, Illinois and California announced new duties for marketplace facilitators such as Amazon, eBay, and Etsy.
Filing sales tax returns could get much more complicated in Massachusetts next year. Sellers ...