This part of ISO/IEC 15504 provides guidance on how to utilize a conformant process assessment within a process improvement programme or a process capability determination. This part of ISO/IEC 15504 is for information only. The guidance provided does not presume specific organizational structures, management philosophies, life cycle models or development methods, although some of the examples and tables within the text are based upon processes from ISO/IEC 12207. In the case of process improvement, the concepts and principles are appropriate for the full range of different business goals, application domains and sizes of organization, so that all types of organizations may use them. In the case of process capability determination, this guidance is applicable within any customer–supplier relationship, and to any organization wishing to determine the process capability of its own processes.