Authority flows from Parliament down through the system. Click each level to see their specific powers.
The RUC system deliberately separates policy-setting from enforcement. This prevents conflicts of interest and ensures the system remains accountable.
Focus on macro-economic and social objectives. They decide the "why" and "how much".
Focus on micro-level implementation. They handle the day-to-day delivery of the system.
The Ministry of Transport manages the CAM - the primary tool for ensuring RUC rates are fair. It calculates total costs and allocates them using four cost drivers.
Measures relative road damage or 'wear and tear' a vehicle causes to the road surface.
Why this matters: The CAM ensures rate increases aren't arbitrary - they're tied to actual economic costs of road use. It also manages cross-subsidisation between light and heavy vehicles.
As a Crown entity, NZTA must operate strictly within its legislative mandate. Click each action to see whether NZTA is empowered to do it.
NZ Police provide the on-road deterrent that underpins the entire RUC regime. They're defined as "enforcement officers" under the Land Transport Act 1998.
Police can stop any vehicle to inspect its RUC licence and distance recorder. This includes checking the hubodometer serial number matches the licence.
Under Section 21, the driver or operator must produce a valid RUC licence for inspection on demand.
If an officer suspects a hubodometer or licence has been tampered with, they can remove and seize the device as evidence.
Police can issue roadside infringement notices for offences like failing to display a valid licence or operating with an obscured label.
Funding note: The Road Policing Investment Programme (RPIP) ensures Police are funded from the NLTF to carry out enforcement functions, with specific focus on commercial vehicle compliance and revenue protection.
All significant administrative decisions are subject to judicial oversight. If you disagree with an NZTA assessment, here's the pathway.
Request formal review of assessment
Appeals against reviews; serious RUC offences
Appeals on questions of law
Matters of national legal significance
Why this matters: Judicial oversight is a critical safeguard against administrative overreach. It ensures NZTA's powers - particularly issuing binding assessments - are exercised reasonably and based on evidence.
Every body in the RUC system has defined roles and statutory authority. Click each row to see the legal source.
Now you know who does what in the RUC system. Explore the legislative framework that gives them these powers, or learn about how the light vehicle transition will affect you.
