Warrant of Fitness (WoF) inspection is one of the most regulated and legally exposed activities in the NZ motor trade. Approved Vehicle Inspectors (AVIs) operate under NZTA authority and face dual jeopardy: regulatory exposure from NZTA and civil liability under the Consumer Guarantees Act. Insurance is not optional — it's the only financial protection against errors that can cost tens of thousands.
The Dual Liability of WoF Inspectors
NZTA Regulatory Liability
WoF inspectors are appointed by NZTA under the Land Transport Act. If an inspector passes a vehicle that should have been failed — or makes repeated errors — NZTA can:
Losing your AVI appointment doesn't just affect your WoF income — if your workshop relies on WoF authority as a key service, revocation can significantly impact your total business revenue.
Civil Liability Under the CGA
If a vehicle you passed on WoF subsequently fails in a way related to something you should have identified, the vehicle owner can pursue a civil claim. This is particularly concerning when:
A recent Hamilton Disputes Tribunal case (documented in MEKAVO's workshop blog) highlighted this exact scenario — a WoF inspector facing dual jeopardy from NZTA and a civil claim for a missed safety defect.
Insurance Coverage for WoF Stations
Professional Indemnity
This is the most critical cover for WoF inspectors. Professional indemnity covers:
Ensure your professional indemnity policy explicitly includes WoF inspection services — some general trades policies may exclude regulated inspection work.
Public Liability
WoF stations have customers in waiting rooms and on forecourts. Standard public liability covers slip/trip incidents, accidental damage to customer property, and other general liability claims.
Customer Vehicles Cover
If customer vehicles are on your premises during inspection — which they always are — you need bailee's liability (customer vehicles cover). This protects you if a customer's car is damaged or stolen while on your premises.
Road Risk
If your business requires you to drive customer vehicles (for road testing as part of the WoF process), road risk cover is essential.
What the June 2026 WoF Changes Mean for Insurers
The WoF interval changes announced by the government in April 2026 — which drew strong criticism from the MTA ("Higher Costs, More Unsafe Vehicles from WoF Changes") — create additional considerations for WoF station insurance:
Documentation: Your First Line of Defence
WoF inspectors should maintain comprehensive records:
This documentation is critical if a claim is made. A well-documented inspection process demonstrates reasonable care and skill — the CGA standard.
Contact our specialist team to arrange professional indemnity and motor trade cover for your WoF inspection business.