Get 4 email templates you can send out to customers when their order is delayed due to production issues. We've got you covered with 25 customer apology letter templates so you can swiftly say "I'm sorry" and start delivering a solution.Say "I'm sorry I hurt you", not "I'm sorry you felt hurt". " Keep it simple and to the point. 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. Use complete sentences. 1. Explain in detail, what did you do that was wrong and why it is wrong? 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. Our comprehensive guide is designed to help navigate you through the complexities of drafting a sincere, effective and impactful apology letter to the court.