DIN EN ISO/IEC 17020:2026-08

What is DIN EN ISO/IEC 17020 about?

DIN EN ISO/IEC 17020 specifies requirements for the competence, impartiality and consistent operation of inspection bodies. It serves as a basis for carrying out inspections and strengthens confidence in inspection results among customers, authorities, accreditation bodies and other interested parties.

The standard is one of the key standards for conformity assessment and forms the basis for accreditation according to DIN EN ISO/IEC 17020. It applies to inspection bodies that assess products, processes, services, facilities, installations or other inspection items with regard to their conformity.

What content does the standard cover?

DIN EN ISO/IEC 17020 describes the organizational, personnel-related and technical requirements for inspection bodies, as well as requirements for inspection processes and management systems. The focus is on competence, independence, data integrity and the traceability of inspection results.

Topics covered at a glance:

• Requirements for inspection bodies and conformity assessment bodies
• Impartiality, independence and confidentiality
• Personnel qualification and competence management

• Inspection procedures, inspection reports and inspection certificates
• Data and information management
• Risk management, internal audits and management systems
• Requirements for Type A and non-Type A inspection bodies

Why is the standard relevant in practice?

DIN EN ISO/IEC 17020 establishes an internationally recognized framework for the activities of inspection bodies and supports the international acceptance of inspection results. It defines requirements for the planning, execution, documentation and evaluation of inspections and ensures that inspection reports and inspection certificates are prepared in a traceable, objective and reliable manner.

The requirements for the independence of inspection bodies, the assurance of personnel competence, the control of data and information, and the application of risk-based procedures are particularly relevant. The standard also forms the central basis for the accreditation of inspection bodies and for demonstrating competent conformity assessment.

What changes have been made compared with the previous edition?

Compared with DIN EN ISO/IEC 17020:2012-07, the standard has been comprehensively revised and modernized. The most important changes include:

• Introduction of a more strongly risk-based approach with performance-oriented requirements
• New requirements for the control of data and information and for addressing risks and opportunities
• Inclusion of new term definitions, including “item” and “customer”
• Additional requirements for technical management and personnel
• Reduction of the categories of inspection bodies to Type A and non-Type A
• New normative annex on the independence requirements for inspection bodies
• Alignment of terminology with the ISO/IEC 17000 series of standards and the CASCO Toolbox

In addition, the current edition gives greater consideration to modern technologies such as artificial intelligence (AI), digital systems and remote inspections than the previous version.

Target audience

• Inspection bodies and conformity assessment bodies
• Quality managers and accreditation officers
• Auditors, assessors and accreditation bodies
• Specialists and managers in testing, monitoring and inspection organizations
• Companies and authorities with requirements for independent inspections and conformity assessments

Conclusion

DIN EN ISO/IEC 17020 is the central standard for the accreditation of inspection bodies and the performance of independent inspections. It defines requirements for competence, impartiality, risk management, inspection procedures and management systems, thereby creating the basis for reliable and internationally recognized conformity assessment. With its risk-based approach and stronger consideration of digital technologies, the current edition supports modern inspection and monitoring processes as well as accreditation according to DIN EN ISO/IEC 17020.

This document replaces DIN EN ISO/IEC 17020:2012-07 .

And replaced by 2026-08 for:: DIN EN ISO/IEC 17020:2012-07 , DIN EN ISO/IEC 17020:2025-03 .