请求即付保函几个问题的研究孙昌兴在国际贸易和国际融资活动中，请求即付保函越来越扮演着重要角色，其地位和作用日益上升。为指导和协调这一广泛开展的国际担保业务，国际商会于１９９１年以５５８号出版物公布了新的国际担保业务统一章程，即《请求即付保函统一规则》... Research on Several Issues of Demand-Payment Guarantees Sun Changxing Requests for payment-in-demand guarantees play an increasingly important role in international trade and international financing activities, and their status and role are increasingly on the rise. In order to guide and coordinate this extensive international guarantee operation, the International Chamber of Commerce in 1991 published No. 558 a new unified statute of international guarantee operations, namely the Uniform Rules for Claims-Pay Guarantee ...