The nominated agencies shall purchase the precious metal and thereafter issue a purchase certificate bearing a serial number to the exporter indicating the quantity of gold / silver / platinum and the cif value, in dollars including the Rupee equivalent. The price shall be the actual price at which gold / silver / platinum is purchased by the nominated agencies plus permitted service charges but exclusive of Sales Tax. The service charges levied by the nominated agencies shall be included with the price of gold / silver / platinum for the purpose of value addition. The duplicate and triplicate copies of exporter"s application together with copies of purchase certificate for the exporter shall be sent by the nominated agencies to the concerned Custom House.