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 20252 committee) reports that 69 organizations (not counting subsidiaries) are accredited to the standard: The Council of American Survey Research Organizations (CASRO) has passed 17 organizations through its ISO 20252 accreditation scheme: ISO 20252 ISO 20252:2012 is an international quality standard first published in 2006 as a replacement for the existing British Standards BS 7911:2003. It was subsequently updated in 2012. Developed by an ISO Technical Committee in liaison with professional bodies EFAMRO, ESOMAR and WAPOR, the standard sets out requirements in a Quality Management System for organizations conducting market, opinion and social research. The standard is divided into five sections