ISO 9000 are implementing the standard. ISO 9000:1987 had the same structure as the UK Standard BS 5750, with three "models" for quality management systems, the selection of which was based on the scope of activities of the organization: "ISO 9000:1987" was also influenced by existing U.S. and other Defense Standards ("MIL SPECS"), and so was well-suited to manufacturing. The emphasis tended to be placed on conformance with procedures rather than the overall process of management, which was likely the actual intent. "ISO 9000:1994" emphasized quality assurance via preventive actions, instead of just checking final product, and continued to require evidence of
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