ITRI has mutual recognition agreements (MRA) regarding acceptance of test reports in explosion protection field for certification purposes with the certification bodies as the listed below. Ex equipment tested and certified in compliance with IEC standards by those listed cooperative certification bodies will be able to access Taiwan market with full validity via ITRI approval services.

Japan Technology Institute of Industrial Safety (TIIS)
Korea Korean Safety Certification (KSC)
USA UL LLC (UL)
Canada  QPS Evaluation Services Inc (QPS)
Canada  Canada CSA Group (CSA), also including CSA Group Testing UK Ltd (previously SIRA Certification Service), CSA Group Netherlands B.V
UK SGS BASEEFA Ltd (SGS BASEEFA)
UK Certification Management Limited (CML)
Germany Physikalisch-Technische Bundesanstalt (PTB)
Germany DEKRA EXAM GmbH (DEKRA EXAM)
Germany TÜV Rheinland Industrie Service GmbH (TUV Rheinland)
France Institut National de l'Environnement Industriel et des  Risques (INERIS)
Netherlands DEKRA Certification B.V. (DEKRA KEMA)
Hungary Hungary ExVÁ Ltd (previously BKI)