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Publication of ISO/IEC 17043:2023

We are pleased to advise that ISO/IEC 17043:2023 Conformity assessment — General requirements for the competence of proficiency testing providers has now been published.

Further a resolution was endorsed at the ILAC General Assembly held in November 2022 to allow a 3-year implementation period from the date of publication of this revised standard (ie now 31 May 2026) as shown below:


 ILAC Resolution GA 26.09

As the revised version of ISO/IEC 17043 is scheduled for publication in 2022 or early 2023, the General Assembly endorses the recommendation of the AIC that a transition period of 3 years from the date of publication be adopted. 

At the end of the transition period, accreditation of a proficiency testing provider to ISO/IEC 17043:2010 will not be recognised under the ILAC Arrangement.


The implementation of this transition period for ISO/IEC 17043 by the signatories to the ILAC MRA for the accreditation of proficiency testing providers will be monitored by the ILAC AMC to ensure the deadline is achieved. The process used by the AMC to monitor this implementation of the revised standard will be similar to that used during the implementation of ISO/IEC 17025:2017.

We would also like to take this opportunity to thank Erik Oehlenschlaeger, ILAC AIC Chair, the members of the AIC Proficiency Testing working group and our liaison officers to the ISO WG responsible for this standard for their contributions on behalf of ILAC to the revision of this important standard for our accreditation body members and their accredited proficiency testing providers.

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