The requirements for PV module factory audits are found in IEC TS 62941 and are defined with the assumption that the quality management system (QMS) of the manufacturer fulfills the requirements for ISO 9001. The new technical specification is written specifically for PV modules, describes best practices for product design and manufacturing processes, and places a strong focus on selection and control of materials used in PV modules. A manufacturing system in accordance with the TS 62941 specification ensures a PV module process that can uniformly meet the performance requirements as determined from the test sequences in the IEC 61215 series. The benefits of a factory inspection to stakeholders include: