2. Price excluding tax = price including tax ÷( 1+ VAT rate). If the invoice is issued by the futures exchange at the time of delivery, the futures exchange shall be the taxpayer.
3. The value-added tax of the futures exchange shall be calculated on a case-by-case basis, and the input tax shall be the output tax indicated on the special VAT invoice issued by the supplier member at the time of delivery, and shall not be deducted from the various inputs of the futures exchange itself.