This document provides an overview of lockout/tagout procedures for servicing and maintaining machines to prevent injury from unexpected startup of equipment or release of stored energy. It defines authorized and affected employees and describes the types of energy controls. Proper procedures include shutting down and isolating equipment, releasing stored energy, verifying isolation before work, and ensuring safety before restoring energy. Devices must be durable, standardized, substantial and identifiable. Annual inspections are required to ensure compliance.