This information should include the applicant's name, address, city, state, and ZIP code. Download a customizable rental application rejection letter template for landlords or property managers to professionally notify applicants.In your letter, you should politely decline the applicant. If an applicant is rejected based on information found on a credit report, the landlord must provide an Adverse Action Notice to the applicant. This is included in the Fair Credit Reporting Act. A tenant rejection letter is sent to an applying tenant to inform them that their rental application was denied. When filling out a rental application, be sure to provide accurate information and fill out the form to the best of your ability. A rental application denial letter (also referred to as an adverse action letter) will need to be issued to the denied renter. In this litigious age, even your decision to deny a rental application could end up being challenged in court. Make sure you can pinpoint the reason why you're denying an applicant.