IEC's PEER to PEER PRINCIPLE

This also means that there is no need for external independent governmental authorities, such as ATEX system in Europe

(On the basis of three general ISO/IEC standards and all other relevant operational documents of IECEx, the assessors are evaluating the respective Certification Body or Test Lab to ensure they are fulfilling general and special requirements,

ISO/IEC 17024 Conformity Assessment – General requirements for bodies operating certification of persons

ISO/IEC 17025 General Requirements  for compotence for testing  and calibration laboratuaries

ISO/IEC 17065 Conformity Assessment - Requirements  for Bodies certifying products, process and services)