We discuss everything you need to know about turning down applicants and provide a template for your convenience. Download a customizable rental application rejection letter template for landlords or property managers to professionally notify applicants.Under federal law, a landlord who denies your tenant application because of information in a tenant screening report is required to inform you of that fact. Lease Application Denial Letter. Top of the Letter enter the Landlord's name and Address. The notice does not need to state the specific information in the credit report that was of concern to the landlord. The best way to deny a rental applicant is to send an adverse action letter or adverse action notice. Property owners should always decline an application in writing, politely. The denial should thank the applicant for their interest, and express regret. What to include in your apartment appeal letter?