If new plastics material according to this standard is delivered, data on the sample (the number of samples which is required separately), the test results, raw materials, the composition and the manufacturing process shall be reported to MAZDA in advance and this firm’s approval shall be obtained. If the raw material, the composition and the manufacturing process are changed, as a rule, new samples (required number of samples), the test results, the reason for change and the contents to be changed shall be reported to MAZDA in advance and this firm’s approval shall be obtained.