Making a Sorry for Out of Stock Item Letter online is simple. Just answer a few questions, and Rocket Lawyer will build your document for you.Our free customer apology letter templates and comprehensive guide make it easy to craft an effective customer apology. Get 4 email templates you can send out to customers when their order is delayed due to production issues. The letter apologizes for inappropriate behavior on a certain day. It acknowledges the behavior was disrespectful and disrupted others. In this article, we'll cover everything you need to know about writing apology letters and provide 5 templates you can use to get started today. If an offender wishes to submit an apology letter, they shall provide the apology letter to the VSU for screening. Why am I receiving a backorder letter? You are receiving a backorder letter because the item you have requested is currently out of stock.