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

States may force online retailers to collect potentially billions of dollars in sales taxes, the U.S. Supreme Court said in a major ruling on Thursday that undercut an advantage many e-commerce companies have enjoyed over brick-and-mortar rivals.