Correct as at 2nd May 2024. It may be superseded at any time.

Extract taken: from Vehicle Inspection Portal > VIRMs > In-service certification (WoF and CoF) > Heavy trailers > Lighting > Daytime running lamps

4-4 Daytime running lamps

Reasons for rejection

Prohibited equipment

1. A trailer is fitted with daytime running lamps (Note 1).

Note 1

Daytime running lamp means a lamp designed to emit a low-intensity light forward of a vehicle to make it more easily seen in the daytime.

Summary of legislation

Applicable legislation
Prohibited equipment

1. A trailer must not be fitted with daytime running lamps (Note 1).