Mass production diesel vehicles or diesel engines for which the applicants have obtained the Certificate of Conformity shall comply with the following requirements:1. Each mass production diesel vehicle or diesel engine shall have the same vehicle configuration or engine configuration recorded in the Certificate of Conformity. All items affecting the pollutant emission and the emission control system shall be consistent with the contents and approved items that are mentioned in the application documents, which have already been reviewed and approved.2. Any manuals and instructions made available by the manufacturer, manufacturer’s designated agent or association of importers to any agents, distributors, after-sale service units (including depots and stations providing maintenance and repair services) and vehicle owners, and any use, repair, adjustment, maintenance or test related to emission control systems, shall be consistent with the contents and approved items that are mentioned in the application documents which are already reviewed and approved.3. The manufacturer, manufacturer’s designated agent or association of importers shall undertake the mass production quality controls, including the quality controls over new vehicles and in-use vehicles. The applicable execution requirements, quality control test items, random inspection ratio and testing result (including related data), and testing result submission schedule shall be handled in accordance with Appendix 4. For the diesel vehicles or diesel engines of which the quality control result does not meet the emission standards, and requirements referred to herein, the reasons causing the non-conformity shall be explained and corrections made.4. The applicant shall coordinate with and assist the central competent authority to conduct the audit and designated test and shall also provide vehicle-related sales information. When required, the applicant shall help deliver the selected vehicle to the designated location.Appendix 4：Provisions for quality control over mass production of diesel and alternative clean fuel engine vehicles.pdf