How to Write a Letter of Credit Prepare the letter of credit documents, including the credit application, bank instructions, and the credit agreement. Make sure all documents are signed, dated, and include all necessary information. Submit documents to the issuing bank. Confirm that the bank has accepted the documents.
What to include in an official letter A heading that lists your address and the recipient's address. A formal salutation. One paragraph stating your reasons for writing the letter. Another paragraph expanding further on the introduction paragraph. A final paragraph concluding the letter. Closing letter signature.