(1) Where a utility is entitled under this part to undertake network operations affecting particular premises, an authorised person for the utility may—
(a) enter the premises, with such people, vehicles and things as are reasonable and necessary for the operations; and
(b) carry out the activities necessary for those operations.
(2) The authorised person may not remain on the premises if, on request by the land-holder or person apparently in charge of the premises, the authorised person does not produce his or her identity card.
(3) The authorised person may enter and remain on the premises under this section with such assistance as is necessary and reasonable.