The rules for issuing a bank letter of undertaking for the sale of oil to brokers were approved The rules related to the issuance of a bank letter of undertaking for the sale of oil to brokers were approved at the 80th meeting of the Supreme Board of the Central Bank. These criteria were compiled by the central bank in order to accurately assess the ability of brokers to export oil. According to this report, the mentioned rules will be delivered to the banking network and other relevant authorities for implementation after the approval of the Supreme Board of the Central Bank.