With an extensive collaboration of Department of Science Service (DSS) and National Institute of Metrology (NIM), the training course called “Review of ISO/IEC 17043” was virtually hold on 21 - 22 May 2025. The course was sought for deliver relevant stakeholders (e.g., assessors) to apply the accreditation knowledge important for further conducting Proficiency Testing Provider (PTP) assessments. On this occasion, the two esteemed experts in the field, including Mrs. Chantarat Vorasapavit-the Director of Bureau of Laboratory Accreditation, Departmentof Science Service (BLA-DSS) and Miss Pornpan Pantipamporn – a Senior Professional Level officer, had made the lectures to 500 attendants on Zoom.