From 11 May 2026 there will be changes in the O1–O4 IVA Inspection Manual Version 13 of the O1–O4 IVA Inspection Manual.
The key updates include:
- Electromagnetic Compatibility (EMC): Clarification of evidence requirements, including trailers fitted with ABS/EBS and other electronic systems.
- Installation of Lights: Clarification of the “two or more lamps” rule; improved format of diagrams; and inclusion of diagram to illustrate manoeuvring lamp visibility.
- Retro Reflectors: Clarification relating to grouped lighting and additional reflectors.
- End-outline, Position (Side), Stop and Side Marker Lamps: Clarified requirements for optional side marker lamps and updated symmetry requirements.
- Reversing Lamps: Method of Inspection and Required Standards wording revised and Manoeuvring lamps added to section.
- Lateral Protection: Clarification of requirements for devices fitted to exempted vehicles.
- Tyres: Clarification of speed and load variation requirements.
- Masses and Dimensions: Clarification to dimensional exclusions and associated notes.
- Couplings (O1 & O2): Clarification of secondary coupling requirements.
Further information: