This document discusses trade finance products and services. It describes letters of credit, bank guarantees, export, and import. Letters of credit are undertakings by a bank to make payment to an exporter if they present complying documents. Bank guarantees are undertakings by a bank on behalf of an applicant to make payment to a beneficiary if the applicant fails to meet obligations. Common methods of international payment discussed are cash in advance, letters of credit, bills for collection, and open account.