Applies to design, fabrication, installation, operation and testing of subsea production control systems. Applies to surface control system equipment, subsea-installed control system equipment and control fluids. The equipment is used to control subsea production of gas and oil, and for subsea water and gas injection services. May be used, where applicable, for equipment on multiple-well applications. Specifies design standards for systems, subsystems, operating fluids and components, providing safe and functional control of subsea production equipment.