Organisers should read the Guidance Note.
Use of Rear Lights – Time Trials
The guidance on use of rear lights has been published at:
https://www.cyclingtimetrials.org.uk/documen…/index/guidance “GN 24 Rear lights – January 2020”
This regulation applies to Open and Club Events. All competitors must have a working (and turned on) rear light on the start line or they will not be allowed to start.