Download a customizable rental application rejection letter template for landlords or property managers to professionally notify applicants. We want to reject potential tenants with very low credit score and not so solid credit history.Before you start How do I find the form? The form you need to respond to an eviction case is Answer - Unlawful Detainer-Eviction (form UD-105). It's polite to send a letter out to the other applicants letting them know the property is no longer available. My property value has declined during the past few years.