1.金融单证（信用证、汇票、支票和本票）
   2．商业单证（发票、装箱单、运输单据、保险单等）

   3.用于政府管制的单证（许可证、原产地证明、商检证等）
　　declaration form报关单
　　Three steps—declaration, examination of goods and release of goods, are taken by the Customs to exercise control over general import and export goods.海关对进出境货物的监管一般经过申报、查验和放行三个环节。
　　the person in charge of the declaration
　　 invoice发票
　　ocean bill of lading提单
　　 air waybill空运提单
　　packing list或packing specification（装箱单）
　　shipping order(装货单)
　　letter of credit（L|C）（信用证）
　　 insurance policy（保险单）
　　sales confirmation售货确认书
　　contract（合同）（commodity, quantity, unit price, total amount, country of origin and manufacturer, packing, shipping mark, date of shipment, port of shipment, port of destination, insurance, payment, shipment, shipping advice, guarantee of quality, claims, force majeure, late delivery and penalty, arbitration）
　　certificate(commodity inspection certificate商检证
　　animal or plant quarantine certificate 动植物检疫证
　　 certificate of origin原产地证)
　　二．报关英语常用词汇
　　import进口 export出口
　　import & export corporation(Corp.)
　　import & export business(enterprise entitled to do import and export business)
　　export drawback出口退税
　　import & export licence
　　processing with imported（supplied) materials进（来）料加工
　　buyer买方 seller卖方
　　The buyer requests his bank to issue a letter of credit in favor of the seller.
　　goods(import& export goods , All import and export goods shall be subject to Customs examination)
　　cargo (bulk cargo,cargo in bulk, air cargo, sea cargo,bonded cargo, cargo-owner
　　 What cargo is inside the container?
　　The cargo is now released.)
　　 Commodity(commodity inspection)
　　merchandise泛指商品