How To Write A Letter Services No Longer Needed . It is important to tell people that a business is closing rather than simply shutting down with no explanation. To help you make the best termination of contract service letters, we have the right files for you. No Longer Employed Letter For Your Needs Letter Template Collection from simpleartifact.com Please refund the unused portion of the balance on my account and send me. We’ve decided to terminate our partnership with [name of client/company] due to [reasons]. Place the vendor's name and address at the top of the letter and address it by writing dear followed by the vendor's name.