This e-book provides templates for 21 most effective credit and collection letters that will help you communicate better with your customer. 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. Learn how to write an effective collection dispute letter with our guide and templates. 1. In the sample letter, fill in your personal information. A different length of notice is required if both landlord and tenant have signed a statement agreeing to different terms. This could include no notice at all. As an at-will employee one can leave at any time, without notice and for no reason. You don't even need a resignation letter to quit. How do I update my address with your office?