There are numerous things affecting the delivery of the finished product. It can be something as minor as the CMO not getting timely delivery of Brand Owner supplied labels. Some items are controlled by the Brand Owners, some are controlled by the CMO, and others are shared responsibilities. It is extremely important for the Brand Owner to understand all of these potential pitfalls in their desire to receive a quality product in a timely manner. The attached link to a whitepaper concerning On Time Delivery Challenges Faced Contract Manufacturer will help the Brand Owner understand some of these issues.