Service Descriptors for Proficiency Testing Scheme Providers has been updated on the website. The document can be downloaded from the ‘Accreditation Information’ section of the website;
Accreditation Information > Proficiency Testing Scheme Providers (ISO/IEC 17043 > Publications > Specific Accreditation Criteria > Scope of Accreditation – Activity and Service Descriptors for Proficiency Testing Scheme Providers