Resources

This rule sets out requirements to ensure that heavy vehicles and heavy-vehicle combinations (over 3500 kg GVM) can brake safely, with balanced brake performance, at any road-legal load condition.

Rule versions

• The ‘Current rule’ will give you the most up-to-date version of the Rule and any amendments made to it. We recommend this as your reference point if you want to read the most current information.
• The ‘Original rule and amendments’ will give you the very first version of the rule (as it was when it was first created) as well as links to all amendments made to it over time. We recommend this page as your reference page if you want to research the history of the rule.

Note: Both of these pages will also provide links to the consultation material – such as summary of submissions and FAQs (questions and answers) – for each version and amendment.

Questions and answers

Questions and answers are provided to accompany a new rule or amendment when they are signed. These and other consultation documents on this page have not been updated to take into account any later rule amendments and are retained for historic interest only.