Most landlords will approve an applicant who is gainfully employed (at a salary sufficient to support the rent) and has good credit. You need a letter of employment to get an apartment so that you can prove to the landlord that you are employed.Please complete this form in its entirety when requesting to add or remove a responsible Leaseholder on your lease. Please complete this form in its entirety when requesting to add or remove an Occupant on your lease agreement. Learn how to fill out a rental application, what information is required, and what you will need to provide to secure your next place. Overview of Truth in Renting Act. 1. Landlord tenant cases are filed in the special civil part of Superior Court. Filling out a rental application accurately and professionally is one way to make a positive first impression with a landlord. Learn how to fill out a rental application, what information is required, and what you will need to provide to secure your next place. Fill out an application.