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.
Narrate what happened with dates. Second, include any supporting documents in dealing with merchant with your dispute. That makes the letter stronger. Also if you have a lawyer contact, add the name as a cc to the letter to give it added leverage. Finally, make mention of the length of time you have been a customer.