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International Recognition & Accreditation

With the objective of facilitating international acceptance of test reports, calibration certificates, proficiency testing (PT) reports and reference material (RM) documents issued by accredited conformity assessment bodies (CABs), NABL maintains linkages with relevant international and regional accreditation organisations.

Global Accreditation Cooperation Incorporated (Global ACI)*

NABL is a signatory to the Multilateral Recognition Arrangement (MRA) of Global Accreditation Cooperation Incorporated (Global ACI) for the following accreditation programmes:
  • Testing and Calibration Laboratories as per ISO/IEC 17025;
  • Medical Testing Laboratories as per ISO 15189;
  • Proficiency Testing Providers (PTPs) as per ISO/IEC 17043; and
  • Reference Material Producers (RMPs) as per ISO 17034.

Global Acceptance of Conformity Assessment Results

Test Reports, Calibration Certificates, Proficiency Testing (PT) Reports and Reference Material (RM) documents issued by NABL-accredited conformity assessment bodies covered under the relevant MRA scopes are recognised as equivalent to those issued by conformity assessment bodies accredited by other Global ACI MRA signatories. This mutual recognition facilitates international acceptance of conformity assessment results, enhances confidence in their reliability and helps reduce technical barriers to trade.
 
 

Asia Pacific Accreditation Co-operation (APAC)

 

The National Accreditation Board for Testing and Calibration Laboratories (NABL) is a signatory to the Mutual Recognition Arrangement (MRA) of the Asia Pacific Accreditation Co-operation (APAC) for the accreditation of the following conformity assessment bodies:
  • Testing and Calibration Laboratories as per ISO/IEC 17025;
  • Medical Testing Laboratories as per ISO 15189;
  • Proficiency Testing Providers (PTPs) as per ISO/IEC 17043; and
  • Reference Material Producers (RMPs) as per ISO 17034.

The APAC MRA facilitates the international acceptance of Test Reports, Calibration Certificates, Proficiency Testing (PT) Reports and Reference Material (RM) documents issued by NABL-accredited conformity assessment bodies in economies represented by APAC MRA signatories. It thereby helps reduce technical barriers to trade, promotes confidence in conformity assessment results and facilitates international trade.

 

*A new, single international accreditation organization, Global Accreditation Cooperation Incorporated, has been established on 1 January 2026 to bring together the work of the International Laboratory Accreditation Cooperation (ILAC) and the International Accreditation Forum (IAF).

These international recognition arrangements are established through a robust process of peer evaluation, ensuring the competence and equivalence of the accreditation systems of participating MRA signatories.

More information on such international co-operations can be obtained from their web-sites www.global-aci.org and www.apac-accreditation.org respectively.

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