The MLA Mark
The Evaluation Process


Accreditation body and Regional Accreditation Group members of IAF are admitted to the IAF MLA only after a most stringent evaluation of their operations by a peer evaluation team which is charged to ensure that the applicant member complies fully with both the international standards and IAF requirements. Once an accreditation body is a signatory of the IAF MLA it is required to recognise the certificates issued by conformity assessment bodies accredited by all other signatories of the IAF MLA, with the appropriate scope.

The IAF MLA consists of a five level arrangement, with levels 2 and 3 constituting main scopes and levels 4 and 5 constituting sub-scopes. More information on the structure of the MLA can be found in IAF PR 4: Structure of the IAF MLA and List of Endorsed Normative Documents, and the current status of the IAF MLA is available in IAF MLA Status.

The IAF MLA relies heavily on the MLAs of Recognised Regional Accreditation Groups such as the European co-operation for Accreditation (EA), the Asia Pacific Accreditation Cooperation Incorporated (APAC) and the InterAmerican Accreditation Cooperation (IAAC), as it is these groups that perform the majority of the peer evaluation activity, not the IAF. 

To gain confidence in the work of the Recognised Regional Accreditation Groups, the IAF evaluates and accepts the process and outcomes of their MLAs for main scopes such as ISO/IEC 17021-1 (Management Systems) and ISO/IEC 17065 (Product) and related sub-scopes.

Recognised Regional Accreditation Groups are evaluated every four years by the IAF. Membership of the IAF MLA is recognised as being satisfied by membership of any of the Recognised Regional Accreditation Groups’ MLAs, within the recognised sub-scopes.  

IAF is encouraging more of its accreditation body and Regional Accreditation Group members to join the MLA as soon as they have passed a rigorous evaluation process to ensure that their accreditation programs are of world standard. The consequence of joining the IAF MLA is that conformity assessment certificates issued within the sub-scopes of the IAF MLA by conformity assessment bodies accredited by an accreditation body IAF MLA signatory will be recognised in the worldwide IAF program.

Contact details of the accreditation bodies and Recognised Regional Accreditation Groups which are signatories to the MLA are listed on the IAF Members pages. Those members which are signatories are denoted by “Date Admitted to the MLA”.

Details of the signatories of the IAF MLA programs at the dates shown are listed in the following document:

IAF MLA Committee Members (IAF MLA MC 17) including MLA Signatories and associated scopes



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