Limited Liability Company. 1. In the sample letter, fill in your personal information.Don't let bad credit scare you away from an apartment. Write a letter explaining credit problems to your landlord and get a fighting chance. Our guide will teach you how to write a letter of explanation, plus offers a free template to help you write one of your own. Applying for an apartment? There may come a time when an employee needs a proof of income letter to secure a loan or rent an apartment. Here's a template and what you should include. A letter of credit facility is a contract between a buyer and seller where the bank guarantees payment upon presenting certain documents. Apply to Credit Analyst, Real Estate Analyst, Risk Analyst and more!