When using the engine family as the basis to apply for or to modify the motor vehicle-related Certificate of Conformity, the applicant shall submit the documents and the compliance matters according to the format defined in the network transmission application system designated by the central competent authority as well as the regulations specified in Appendix 1 and Appendix 2. For this purpose, the applicant shall be allowed to submit the application to the central competent authority.As of January 1, 2025, the applicant shall submit the documents and the compliance matters according to the aforementioned application method and format for securing the inspection report from the inspection organization and then uplink to the Network Transmission Application System designated by the central competent authority. In this case, the expenses required for the inspection shall be borne by the applicant.Appendix 1：Exhaust emission testing and regulations applicable for vehicle model inspection.pdfAppendix 2：Documents required and the compliance matters for Certificate of Conformity application.pdf