Credit is Issued, presentable, and payable at our offices at. Attention:______. 1. In the sample letter, fill in your personal information.Providing a letter that explains your credit can help if you have a low credit score. Use this sample letter to get your next apartment. Every debt collection letter must start with precise, professional contact details from your law firm and the client. This sample letter explaining credit problems will help you focus your efforts when appealing to a property manager for an apartment. Citing a letter, memo, or other correspondence ; A print letter ; Note. 1. Charles Hanson to Nancy McPhaul, August 22, 2008.