1. In the sample letter, fill in your personal information. Issuing Bank's Name: Name of issuer. 4.Issuing Bank's Address: Issuer's complete mailing address. 5. 1. Request for Investigation of Credit Report. Get your free copy here! To enforce your rights under these laws you should: 1. Fill out copies of the attached form letter for each creditor or collection agency that is bothering you. A letter of credit for rent lets you address and explain the red flags that will pop up in your credit history. MUST BE ON BANK LETTERHEAD. Date. You can ship your credit dispute letter template with the documentation and filledout forms to this address. Experian.