Comments on draft UN R51.04 addressing various editorial and technical issues in Annexes 3, 6, 7, 8, and 9, including:

• Corrections to tyre conditioning text,
• Clarification of test speed tolerance,
• Changes to figure captions from ‘microphone point’ to ‘microphone position’,
• Corrections to formulas for anchor point parameters,
• Relocation of test report paragraph,
• Removal of unnecessary asterisk and footnote regarding ISO 10844 certification dates,
• Clarification of limit value specifications,
• Vehicle scope definitions,
• Definition necessity review,
• Incorporation of JASIC proposals for compliance assessment cases,
• Corrections to appendix references,
• Parameter reporting specifications,
• Adjustments to virtual engine speed calculations for hybrid electric vehicles.