Regulations Governing Issuance, Revocation, and Cancellation of Emissions Certificate of Conformity for Diesel and Alternative Clean Fuel Engine Vehicles Article 12

For diesel vehicles required to be equipped with an OBD system pursuant to the Emission Standards, when applying for said engine family’s Certificate of Conformity, the applicant shall provide documents and OBD specifications that meet Appendix 1 or Appendix 2 and also Appendix 6.Appendix 1：Documents required and the compliance matters for the Diesel Vehicle Certificate of Conformity application.pdfAppendix 2：Documents required and compliance matters for Heavy-Duty Diesel Vehicle Engine Letter of Conformity applications.pdfAppendix 6：Regulations Governing Diesel Vehicles Equipped with OBD Systems.pdf