These documents are mostly used in international trade, where trust between buyers and sellers can be limited. Various types of letters of credit serve different purposes, such as commercial, standby, revocable, and irrevocable letters of credit.
While the content of the letter will change depending on your situation, there are a few important aspects to include: Provide all details the best you can, including correct dates and dollar amounts. Explain how and when all situations were resolved. Detail why problems won't happen again.