... Understanding and Using Letters of Credit, Part I Home Documentations Law and legislatives Links Vietnamese Understanding and Using Letters of Credit, ... Invoice The billing for the goods and services. It includes a description of merchandise, price, FOB origin, and name and address of buyer and seller. The buyer and seller information must correspond ... of credit. Standby letters of credit are issued by banks to stand behind monetary obligations, to insure the refund of advance payment, to support performance and bid obligations, and to insure...