涉外担保中见索即付保函的应用最为普遍。由于在源自不同法系各国担保法林立的司法环境中,处理跨国担保和反担保时,往往会遇到比信用证更为严峻的挑战。 The most common application of pay-as-you-go guarantees in foreign-related guarantees. As cross-border guarantees and counter-guarantees are often dealt with in the judicial environment originating from the guarantee laws of different legal systems, challenges that are even more severe than letters of credit are often encountered.