https://www.reuters.com/article/us-usa-court-taxes/u-s-top-court-lets-states-force-online-retailers-to-collect-sales-tax-idUSKBN1JH23B

States have broad authority to force online retailers to collect potentially billions of dollars worth of sales taxes, the U.S. Supreme Court ruled on Thursday, siding against e-commerce companies in their high-profile fight with South Dakota.