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Biosecurity Cleaning for Imported Vehicles: Who Requires It

Providence Auto··6 min read

Published by Providence Auto: our own teams export cars from seven countries.Send a dealer inquiry

The car carrier Liberty Peace under way at sunset
Photo: FPTI, CC0, via Wikimedia Commons

Soil in a wheel arch is not a cosmetic problem. To a biosecurity authority it is a way for pests, seeds and diseases to cross a border, and a car carrying it can be held, treated or refused at the importer's cost.

The short version

  • New Zealand requires biosecurity clearance; used cars from Japan are cleaned by an MPI-approved system there.
  • Jamaica has required used vehicles to be sanitised before shipment since June 2019.
  • Sri Lanka's licence guidelines ask for a certificate that the car is free of mud and soil.
  • Cleaning at source is cheaper and quicker than treatment at the border.

Biosecurity, in one paragraph

Countries that protect their agriculture and environment require imported vehicles to be free of soil, plant material and insects. Some require cleaning by an approved system in the exporting country, some require a certificate, and some inspect on arrival. A car found contaminated is cleaned or treated before release, at the importer's expense, and can lose its place in the port queue while that happens.

Why countries require clean vehicles

A used car has been driven through mud, parked under trees and stored outdoors. Seeds, soil, snails and insects travel with it. New Zealand's Ministry for Primary Industries gives biosecurity clearance only when it is satisfied that the risk associated with the vehicle has been managed, which is why cleaning is built into the export process from Japan.

Where the contamination hides

  • Wheel arches, tyres and the underbody.
  • Chassis rails, crossmembers and the spare-wheel well.
  • The engine bay and air intakes.
  • The boot, floor mats and under the seats.
  • Door seals and the gaps around the windscreen.

What does your country require?

CountryWhat its authority requires
New ZealandMPI biosecurity clearance; used passenger vehicles from Japan cleaned by an MPI-approved system in Japan
JamaicaAll used motor vehicles sanitised prior to shipment, since June 2019 (Trade Board)
Sri LankaFor licensed imports, a certificate that the vehicle is free of mud and soil (Import and Export Control Department)

Choose your country for its full inspection and cleaning rules and the official sources.

CountryInspection before or after shipping
No pre-shipment inspection is required; the checks happen after the car lands.
No pre-shipment inspection is required; the car is examined at an NCTS centre when it is registered.
A used car from outside the EU needs a Single Vehicle Approval (SVA) certificate confirming it can be registered in the EU and stating its CO₂ emissions.
No pre-shipment inspection is required; the car passes an MOT and gets a CO₂ certificate from the Road Transport Department before registration.
Every used vehicle is inspected for roadworthiness by a KEBS-appointed agent in the country of export, and arrives with a Certificate of Roadworthiness.
Used vehicles are checked against Tanzanian standards by the Tanzania Bureau of Standards — before shipment where TBS has an agent in the exporting country, or on arrival where it does not.
Every used vehicle needs a Certificate of Roadworthiness from the country of export under the UNBS pre-export verification programme.
MRA's customs page sets no pre-shipment inspection; the car is examined for registration in Mauritius.
A used vehicle from the USA, the UK, Japan, Singapore or the UAE needs a pre-shipment inspection certificate, and every used vehicle must be sanitised before shipment.
Confirm with the Trade Licence Unit whether your vehicle needs an inspection certificate before it ships.
Every imported used car has a border inspection by an NZTA-approved organisation and must be cleared for biosecurity by MPI.
For a licensed import, the guidelines require an assessment report from an accepted institution in the exporting country and a certificate that the car is free of mud and soil.

Choose a country for its full rules and the official sources, checked 27 October 2026.

Clean at source, not at the border

A car cleaned before export, by the method the destination accepts, arrives ready to clear. A car cleaned or treated at the destination waits in port, accrues port charges and may need re-inspection. Ask for the cleaning certificate with the export documents, and check it names the car's chassis number. The certificate belongs in the file described in the car import documents checklist, alongside any pre-shipment inspection.

New Zealand's own import process is covered in importing cars from New Zealand as a dealer. With cars ready to ship, you can send a dealer inquiry. The full process is in the dealer's guide to sourcing cars overseas.

Frequently Asked Questions

Common questions about vehicle biosecurity cleaning import.

FAQ

Why do imported cars need biosecurity cleaning?

Soil, seeds, insects and plant matter carried on a vehicle can introduce pests and diseases. Countries with strict biosecurity regimes require imported vehicles to be clean, and may inspect, treat or refuse a contaminated car, with the cost falling on the importer.

Which countries require imported vehicles to be cleaned?

New Zealand's Ministry for Primary Industries requires biosecurity clearance, and used passenger vehicles from Japan must be cleaned by an MPI-approved system there. Jamaica has required used vehicles to be sanitised before shipment since June 2019, and Sri Lanka's licence guidelines ask for a certificate that the vehicle is free of mud and soil.

Where does contamination hide on a used car?

Mostly underneath and out of sight: wheel arches, the underbody, chassis rails, the spare-wheel well, engine bay, air intakes and the boot. Seeds and insects also collect in door seals, floor mats and the gaps around the windscreen.