A related type of tax is the value-added tax or VAT. It is a system in which all businesses remit taxes on their sales but they are also refunded the amount of VAT remitted by their suppliers. In addition to avoiding cascading, under VAT there is no need for government to determine which sales are taxable and which are not, since all sales--retail, wholesale and intermediate--are taxed.
Determination of ways to legally reduce the amount of tax due on a transaction. For instance, how a company structures its invoices can affect the taxability of the entire transaction. In many states an item can become taxable if not separately stated on the invoice.
