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Guidance: Individual Vehicle Approval (IVA) inspection manual: trailers

Driver Vehicle Standards Agency

November 15
11:12 2023

Individual Vehicle Approval (IVA) inspection manual: trailers (O1, O2, O3 and O4) (to 14 December 2023)

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If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email govuk@dvsa-publishing.zendesk.com. Please tell us what format you need. It will help us if you say what assistive technology you use.

Individual Vehicle Approval (IVA) inspection manual: trailers (O1, O2, O3 and O4) (from 15 December 2023)

Request an accessible format.
If you use assistive technology (such as a screen reader) and need a version of this document in a more accessible format, please email govuk@dvsa-publishing.zendesk.com. Please tell us what format you need. It will help us if you say what assistive technology you use.

Details

You can use the IVA scheme if youre making or importing a single trailer or a very small number of trailers

These vehicles are classed as categories O1, O2, O3 and O4 in the EU vehicle categories.

The manual sets out how Driver and Vehicle Standards Agency examiners will inspect vehicles to make sure they meet the necessary standards.

You can use the manual to find out more about the detailed requirements and processes.

Published 30 April 2012
Last updated 15 November 2023 +show all updates
  1. Added Individual Vehicle Approval (IVA) inspection manual: trailers (O1, O2, O3 and O4) (from 15 December 2022)

  2. Added Individual Vehicle Approval (IVA) inspection manual: trailers (O1, O2, O3 and O4) (from 5 September 2022)

  3. Updated to latest version of manual.

  4. Updated the manual with changes to the foreword (added references to the trailer registration scheme and the requirements for commercial and international operations), section 05 - steering (added an explanation of which trailer types this section applies to), section 18 - statutory plates (improved information on multi-stage build plates), section 20 - installation of lamps (added a new figure 5 which explains the requirements for measuring lamp separation), and section 48 - masses and dimensions (updated annex 1 column B).

  5. An updated version of the manual has been published.

  6. Added the final version of the IVA inspection manuals for trailers that applies from 10 April 2018 - it clarifies technical standards and adopts best practice.

  7. Added a draft version of the IVA inspection manuals for trailers that will apply from 10 April 2018 - it clarifies technical standards and adopts best practice.

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