Use this letter template to let your customers know the items they've ordered are on back order and will be shipped as soon as possible. Writing a formal email to request your boss's availability requires clarity and respect for their time.Use this letter template to let your customers know that items they've ordered are on backorder and will be shipped as soon as possible. This letter should be used when the correct MCO was used but the "deal" fell through due to a variety of reasons and the customer did not purchase another. Official Online Store of Wayne State University. 82 West Warren Detroit, MI 48202. When goods are received into stock, backorders may be able to be filled and customer invoices created and posted from backorders. Our goal is to create a healthy Pennsylvania for all. The Salvation Army in the United States of America. If there is a reported outage in your area please know we're already working hard on getting your service back up and running, so there's no need to contact us.