Quality control testing of the foregoing article shall be conducted in accordance with the following regulations:I. The quality control plan for those directly executing quality control testing shall comply with the regulations in Appendix 3 and shall be reported to the central competent authority for approval. Random sample testing ratios shall be as follows:(1) For each gasoline and diesel vehicle configuration less than 3.5 tons produced or imported, a minimum sample testing ratio of one vehicle in 500 shall be used; once 2,500 vehicles have been reached, at least 5 vehicles shall be tested.(2) For each gasoline and diesel vehicle configuration over 3.5 tons produced or imported, a minimum sample testing ratio of one vehicle in 100 shall be used; once 500 vehicles have been reached, at least 5 vehicle shall be tested.(3) For each motorcycle configuration produced or imported, a minimum sample testing ratio of one vehicle in 2,000 shall be used; once 10,000 vehicles have been reached, at least 5 vehicles shall be tested.II. Commissioned analysis and testing organizations approved by the central competent authority that implement quality control testing shall conduct sample testing according to the following ratios, and at least one vehicle shall be sampled and tested if the following ratios do not be satisfied :(1) A minimum of one vehicle in 250 for each gasoline and diesel vehicle configuration less than 3.5 tons produced or imported.(2)A minimum of one vehicle in 50 for each gasoline and diesel vehicle configuration over 3.5 tons produced or imported.(3)A minimum of one vehicle in 1,000 for each motorcycle configuration produced or imported.Appendix 3.pdf