8.80 For the purpose of calculation of entitlement of REP Licence, the international price as certified by SBI/MMTC shall alone be taken into account. At the time of exports, the exporter shall furnish to the customs, a certificate from SBI/MMTC regarding the international price of the gold/platinum/silver. The certificate issued by SBI/MMTC should not be older than 7 days. The international price shall also be indicated on the shipping bill and the invoice presented to the Customs.