就适用于信息技术和电信（IT&T）领域测试（包括测试手段和测试工具的验证）的认证要求的具体解释，特别是与软件和协议测试服务相关的认证要求，为评估员和测试实验室提供指导。不适用于检验、认证和质量保证评估活动的认证。

Provides guidance for assessors and testing laboratories on the specific interpretation of the accreditation requirements applicable to testing (including validation of means of testing and test tools) in the field of information Technology and Telecommunications (IT&T), specifically in relation to software and protocol testing services. Does not apply to the accreditation of inspection, certification and quality assurance assessment activities.