This training course provides a comprehensive understanding of the requirements outlined in ISO/IEC 17043:2023, which sets the general competence requirements for proficiency testing providers, and ISO 13528:2022, which covers the statistical methods used in proficiency testing through inter-laboratory comparison. Participants will learn how to implement these standards to ensure reliable and consistent performance in proficiency testing, including key elements such as planning, statistical analysis, and evaluation of results. The course is ideal for proficiency testing providers, accreditation bodies, and laboratories seeking to enhance their understanding of conformity assessment and statistical methodologies.