No sales tax is added to the price of postage stamps. Prices quoted in motel chain directories always exclude sales tax. You also have to pay sales tax on car rental charges unless you have a pre-paid voucher which includes this cost. Some airports also impose a usage fee on car rentals. USA Only In the USA the state sales tax rate varies from state to state and there are frequently local county and city sales taxes in addition to the state sales tax, for example a local lodging tax.
Some items are tax free.
Some items attract different rates of sales tax. I think that sometimes visitors from another state do not pay sales tax on some items but this doesn't seem to apply to visitors from abroad. All rates are as at early 1998. These are the initials of the words in the French translations of the English names. The tax is actually counted after the federal GST has been added to the bill.