This document provides instructions for reporting, investigating, and handling deviations from standard operating procedures and processes. It defines deviations as planned or unplanned and categorizes them based on their severity and impact on product quality. The procedure outlines the process for reporting deviations, investigating the root cause, implementing corrective and preventive actions, evaluating their effectiveness, and trending analysis. Quality assurance is responsible for approving deviation reports and deciding if batches can be released.