For domestic orders in the United States, VMP is required to charge sales tax for both subscription renewals as well as individual purchases in most states. In 2018, most online purchases were rendered non-sales tax exempt on a federal level, and states have been adopting relevant legislation since. As a result, you may be charged sales tax for VMP purchases that were previously tax-exempt as we update our store to be compliant with state governance.
Taxes are not applied to shipping destinations, with the exception of Australia (where a 10% GST tax is applied to all orders, including subscription renewals).