> If I buy a product from China, are they required to collect sales taxes for Montana? Of course not. So not sure why a business located in a sovereign US state

> If I buy a product from China, are they required to collect sales taxes for Montana? Of course not. So not sure why a business located in a sovereign US state has any obligation to follow laws of some other state in which they don’t operate. Actually the same rules apply to both. See https://blog.taxjar.com/international-sellers-deal-sales-tax-u-s/ https://blog.taxjar.com/international-sellers-deal-sales-tax...