Hong Kong Regulations

DISCOVERY BAY TUNNEL LINK BYLAW - SECT 17

Automatic toll collection facilities

(1) The Company may cause or permit the installation of such automatic toll
collection facilities or other appropriate electronic and computer facilities
as the Commissioner may approve at any toll booth or other appropriate
location for the purpose of collecting the toll payable for the passage of a
vehicle through the Tunnel Link and may also cause or permit the installation
of such ancillary facilities as the Commissioner may approve.

(2) The Company may, with the approval of the Commissioner, by erecting
traffic signs as shown in Figure No. 19 and Figure No. 20 in the Schedule,
designate a lane and toll booth to be an autotoll lane and an autotoll booth,
as the case may be.

(3) An electronic pass may be issued by the Company or its agent to a person
who opens an account with the Company or its agent for the payment of the toll
appropriate to the passage through the Tunnel Link of the description of
vehicle in respect of which the electronic pass is to be issued.