Generally a job offer letter will show your new salary and that will help that you will be financially able to pay rent. Learn the key elements of a successful apartment offer letter, including job details, rental history, and ways to stand out to landlords.We are requesting you to fill out this Supplemental Rental Application because you have indicated that you are not a U.S. citizen. If you are starting a new job please provide a copy of your acceptance letter; If you are self employed copies of your last two years of federal tax returns.