ISO 9000 addresses to which the certificate refers. An ISO 9001 certificate is not a once-and-for-all award but must be renewed at regular intervals recommended by the certification body, usually once every three years. There are no grades of competence within ISO 9001: either a company is certified (meaning that it is committed to the method and model of quality management described in the standard) or it is not. In this respect, ISO 9001 certification contrasts with measurement-based quality systems. The ISO 9000 standard is continually being revised by standing technical committees and advisory groups, who receive feedback from those professionals who
ISO 9000 modified to allow the standard to integrate more easily with other international management systems standards. The new ISO 9001:2015 management system standard helps ensure that consumers get reliable, desired quality goods and services. This further increases benefits for a business. The 2015 version is also less prescriptive than its predecessors and focuses on performance. This was achieved by combining the process approach with risk-based thinking, and employing the Plan-Do-Check-Act cycle at all levels in the organization. Some of the key changes include: Two types of auditing are required to become registered to the standard: auditing by an external certification body