Licence exemption
2.—(1) Exemption is granted to any person who acts as the operator of —
(a)any network constructed in consequence of the making of any of the works authorised by section 5 of the 1991 Act;
(b)any network which extends or connects any such network as is mentioned in sub-paragraph (a) above to any part of Heathrow Airport;
(c)any station constructed in exercise of the power conferred by section 7 of the 1991 Act;
(d)any other station constructed at Heathrow Airport which is associated with an exempt network;
(e)any light maintenance depot constructed at Heathrow Airport which is associated with an exempt network; or
(f)any train being used on an exempt network;
from the requirement to be authorised by licence to be the operator of that network, station, light maintenance depot or train.
(2) The exemption granted in paragraph (1) above shall continue in force until the end of a period of thirty years beginning with the relevant day.