The Rental Application. The property manager or landlord may ask a prospective renter to fill out a rental application.The criteria must be based on legitimate business reasons, such as credit history, income, and rental history. We outline the essential state-specific Landlord-Tenant Laws for Pennsylvania. Learn about tenant rights, security deposits, essential notices, and more. What Property Managers Look for in a Rental Application? A landlord may ask you to fill out a rental application. If a property manager is going to lease, list or manage real estate, or promote the rental of real estate, he or she will need a broker's license. A basic rental application can gather information to help you run credit and background checks for a leased property. Completed Pennsylvania rental application forms should be submitted to the landlord, property manager, or leasing agent overseeing the property.