Vehicle structure
3-2 Stability
Reasons for rejection
Modification and repair
1. A modification or repair since 1 July 2000 affects the vehicle stability and:
a) is not excluded from the requirements for HVS certification (Table 3-2-1), or
b) the modification is not for the purpose of law enforcement or the provision of emergency services, or
c) is missing proof of HVS certification, ie:
i. the vehicle was modified or repaired before the last CoF inspection and no LANDATA record has been entered, or
ii. the vehicle was modified or repaired since the last CoF inspection and no valid LT400 form from an HVS certifier has been presented.
Table 3-2-1. Requirements for HVS certification
|
HVS certification is required |
HVS certification is not required |
|---|---|
|
1. Fitting of components to the roof, eg a roof rack or an air conditioning unit. 2. Changes in floor height or geometry, eg due to changes to suspension, wheel or tyre size. |
1. Any repair or modification not listed in the left-hand column unless the vehicle inspector considers that certification is required because the modification or repair has affected the vehicle’s safety performance (a second opinion from an expert may be needed). |
Summary of legislation
Applicable legislation
- Land Transport Rule: Passenger Service Vehicles 1999
- Land Transport Rule: Vehicle Standards Compliance 2002.
Modification and repair
1. A modification or repair, on or after 1 July 2000, that affects the stability of a heavy PSV must be inspected and certified by an HVS certifier, unless the vehicle:
a) is excluded from the requirements for HVS certification (Table 3-2-1), and
b) has been inspected in accordance with the requirements in this manual, including those for equipment, condition and performance.
Page amended 1 April 2023 (see amendment details)