4. The ancillary services referred to in regulation 5(4) may comprise:
(a)access to the telecommunications network;
(b)the provision of supplementary information; and
(c)technical inspection of rolling stock.
4. The ancillary services referred to in regulation 5(4) may comprise:
(a)access to the telecommunications network;
(b)the provision of supplementary information; and
(c)technical inspection of rolling stock.