https://techcrunch.com/2018/06/21/states-will-be-able-to-charge-sales-tax-on-online-purchases-thanks-to-the-supreme-court/

In a five-to-four decision issued today, the Supreme Court ruled that states can make online businesses collect sales taxes — even if they don’t have a physical presence in that state.

Today’s ruling overturns a decision from the Court in 1992 that paved the way for the explosion of online retail in the United States.