Ms Anne Graham:

It would be a period of days. If it is happening regularly - for example, every Friday - the operator should apply to amend its service. This applies to all commercial licence services. If it is a once-off response to a particular event - in this case, the strike - the operator can, under its current licence, offer additional services, but it must operate according to the timetable for which it is licensed. It is therefore just a matter of additional fleet, but on the operator's existing timetable and according to what is allowed under the existing legislation.