1、Financing foreign trade, 2、bills of lading,3、bills of exchange,4、promissory notes,5、checks, 6、negotiability, 7、negotiation, 8、transfer, 9、forged endorsement, 10、letter of credit, 11、applying for a letter of credit,12、documentary formality, 13、advising and confirming letters of credit, 14、rights and responsibility of account party/beneficiary. 15、UCP 600/500