New York City residents can use this letter to dispute a debt, to verify a debt under NYC law, and to tell a collector to stop contacting them. 1. In the sample letter, fill in your personal information.When you are finished, you can print your completed form. This sample letter explaining credit problems will help you focus your efforts when appealing to a property manager for an apartment. SAMPLE FOLLOW-UP LETTER. Use this letter if the credit reporting agency does not respond to your dispute letter within thirty days. Submit the record and Letter of Exemplification to the County Clerk of Manhattan so they can verify the signature on the record. How to Apply for a Letter of Credit. LawHelp Interactive is a website that helps you fill out legal documents for free. 1 vacancy in the following location: Bronx, NY 1 vacancy.