(24 Aug 2021, 7:53 pm)JP6004 wrote Does it apply to duplicates though?
Yes duplicate services need to follow the same timetable.
Here is the guidance from DVSA:
"There may be times when, due to special circumstances, the number of vehicles normally used to provide the service will not be sufficient to carry all persons wishing to travel or will not be able to provide the service in accordance with the registered timetable. Under these circumstances additional vehicle(s) may be put into service, to operate over any part of the route of the service without the need to vary the registration.
They must be operated as closely as possible to the timings in the registered timetable. If it is a regular occurrence that the usual number of vehicles used to provide the service is unable to carry all the persons wishing to travel, that is not a special circumstance. The traffic commissioner may take the view that unregistered local services have been operated if there are no special circumstances which warrant the provision of additional vehicle(s)."