1. In the sample letter, fill in your personal information. This sample letter explaining credit problems will help you focus your efforts when appealing to a property manager for an apartment.Example: Selena falls behind on her credit card payments, and after several months of missed payments, the card company marks the account as a charge-off. Enclosed is a copy of my credit file. I have circled the item(s) that I believe are incorrect. Need to write a strong Demand Letter for payment Phoenix? I demand that you send me a copy of my updated credit report showing the elimination of the items, which I disputed on the attached letters. A final demand letter is a letter sent in an attempt to collect a debt or repayment. How do I start a resignation letter effective immediately? A letter of credit facility is a contract between a buyer and seller where the bank guarantees payment upon presenting certain documents.