For further information, visit www.audiciaux.fr, www.scobex-rgpd-dpo.fr and www.dpo-externe-rgpd-france.fr. This book guides laboratories in the implementation of ISO 17025, a key standard for the competence of testing and calibration. It details the requirements, equipment management, measurement uncertainty and traceability. With practical tools, it supports preparation for accreditation, auditing and continuous improvement, guaranteeing reliability and international recognition.