外经贸部调整部分出口配额许可证管理商品、发证机关及出口许可证有效期为进一步贯彻全国外经贸工作会议精神，加快出口商品管理体制改革，促进我国对外经济贸易发展，外经贸部经商海关总署，于１９９８年３月１Ｏ日发文，自１９９８年４月１日起，对实行出口配额、许可证... The Ministry of Foreign Trade and Economic Cooperation adjusts the period of validity of some export quota license management products, license issuing agencies, and export licenses to further implement the spirit of the national conference on foreign trade and economic cooperation, speed up the reform of the export commodity management system, and promote the development of China’s foreign economic and trade cooperation with the Ministry of Foreign Trade and Economic Cooperation. The agency issued a document on March 1st, 1998, and began implementing export quotas and licenses on April 1, 1998.