This Aerospace Standard (AS) documents the requirements for implementing Nadcap industry consensus-based accreditation/certification programs. Under these programs a supplier accredited product@ process@ or service is authorized by Nadcap to use the program's mark (a mark of conformity) and a certification to indicate that the accredited product@ process@ or service is in compliance with applicable standards@ audit criteria@ and/or specifications. The procedures in this document are based on ISO/IEC Guides for third-party certification@ registration@ and accreditation/certification programs where these guides do not violate country laws. The adoption of these guides allows International harmonization of requirements for certification@ registration@ and accreditation. Covered within this document and referenced documents are the operations of the Nadcap Management Council with its committees and task groups@ Nadcap staff and field personnel@ procedures for conducting audits@ awarding accreditation@ and continuing surveillance of suppliers. Supported recognized consensus standards and/or audit criteria define requirements for supplier compliance to Nadcap requirements for each individual product@ process@ or service to be accredited.