本国际标准包含对执行检查的机构的权限及其检查活动的公正性和一致性的要求。 它适用于本国际标准中定义的A、B或C类检验机构，并适用于检验的任何阶段。 注:检验阶段包括设计阶段、型式检验、初始检验、在役检验或监督。

This International Standard contains requirements for the competence of bodies performing inspection and for the impartiality and consistency of their inspection activities. It applies to inspection bodies of type A, B or C, as defined in this International Standard, and it applies to any stage of inspection. NOTE The stages of inspection include design stage, type examination, intitial inspection, in-service inspection or surveillance.