1. In the sample letter, fill in your personal information. 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.Use this sample letter to dispute incorrect or inaccurate information that a business supplied to credit bureaus. A letter of credit is a letter from a bank guaranteeing that a buyer's payment will be received on time and for the correct amount. Edit, sign, and share sample letter new business online. No need to install software, just go to DocHub, and sign up instantly and for free. Use this sample letter to dispute incorrect or inaccurate information that a business supplied to credit bureaus. Log in to the editor with your credentials or click Create free account to evaluate the tool's capabilities. Add the Sample letter new business for redacting. A post office box is not acceptable.