What is ISO 9000:2015?

ISO 9000:2015 describes the fundamental concepts and principles of quality management and specifies the terms and definitions that apply to all quality management and quality management system standards. ISO 9000 is regularly referenced in ISO 9001:2015. It is important to be familiar with ISO 9000 if you are auditing a quality management system. Copies of ISO 9000:2015 are available here.