Download our free rental application denial letter to use for your rental business. Find your next tenant with Avail tenant screening.The best time to send an appeal letter is within a week from receiving the denial letter. Together we make over 3x the rent of places we're applying. We can both pass a background check. In this article, we'll talk you through what's included in a rental application denial letter and even give you a free template to use. You should always act fairly, professionally, and compliantly when rejecting rental applications. Check out our guide below for the best practices.