CVL Base Service definition
CVL Base Service means: a Planned CVL Service which is not able to operate as Planned; or a CVL Train Slot in respect of a CVL Freight Access Right as described in sub-paragraph "(a)" of the definition of “Freight Access Right” contained in Schedule 5 of the CVL TAC (Freight Services) which is not able to be entered in the CVL New Working Timetable or the CVL Working Timetable in accordance with that right; in either case because of the non-availability of any part of the CVL Network as a result of a Network Rail Early Notice Possession;