Correct as at 29th April 2024. It may be superseded at any time.
Extract taken: from Vehicle Inspection Portal > VIRMs > In-service certification (WoF and CoF) > Heavy trailers > Lighting > Headlamps
4-1 Headlamps
Reasons for rejection
Prohibited equipment
1. A trailer is fitted with headlamps (Note 1).
Note 1
Headlamp means a lamp designed to illuminate the road ahead of a vehicle, and that is a:
a) dipped-beam headlamp (single lamp), or
b) main-beam (high-beam) headlamp (single lamp), and includes a driving lamp, or
c) combination of a dipped-beam headlamp and a main-beam headlamp (dual-lamp unit).
Summary of legislation
Applicable legislation
Prohibited equipment
1. A trailer must not be fitted with a headlamp (Note 1).