This document summarizes a case study on using letters of credit for international payments. It provides background on letters of credit, explaining that they transfer payment risk from the buyer to the issuing bank. The document then outlines the typical steps in a letter of credit transaction and proposes a solution to record letter of credit payments in Oracle Payables by raising a purchase order and recording a prepayment invoice against the vendor. The summary concludes that this functional process could be adopted to handle letter of credit transactions within Oracle Applications.