Second-party audits are conducted by external independent organizations. Such organizations provide certification or registration of conformity with requirements such as those of ISO 9001 and ISO 14001:1996.

• 第二方审核由组织的相关方（如顾客）或由其他人员以相关方的名义进行。这类组织提供符合要求（如：gb/T19001和gb/T24001-1996）的认证或注册。