How To Write A Letter For Rental Consideration . Try using this sample letter as a template. Finally, the tenant should consider the timing for asking for lower rent. Apartment Late Rent Letter Hashdoc sample late rent notice from www.pinterest.co.uk It acts as a confirmation that the prospective tenant has a sustainable job and income. A rental reference letter from a supervisor or employer is a document written about a current or past employee to a future landlord. Download a word document of the rent cover letter template.