Correct as at 4th May 2024. It may be superseded at any time.
Extract taken: from Vehicle Inspection Portal > VIRMs > In-service certification (WoF and CoF) > Heavy PSVs > Lighting > PSV interior lighting
4-17 PSV interior lighting
Reasons for rejection
1. An interior light for the purpose of illuminating a doorway, aisle or step:
a) does not function, or
b) interferes with the driver’s vision when the doors are closed.
Summary of legislation
Applicable legislation
Condition and performance
1. Interior lights must be positioned so that they adequately illuminate doorways, aisles and steps, but without interfering with the driver’s vision when the doors are closed.