(1) The regulations may prescribe different types of port security zones.
(2) The purposes for which different types of port security zones may be prescribed include, but are not limited to, the following:
(a) controlling the movement of people or ships or any other thing within security regulated ports;
(b) restricting access to areas within security regulated ports;
(c) providing cleared areas within security regulated ports;
(d) preventing interference with ships;
(e) preventing interference with people or goods that have been, or are to be, transported by ship;
(f) ensuring the security of the following:
(i) fuel storage areas;
(ii) cargo and baggage handling facilities;
(iii) navigational aids;
(iv) critical installations.
(3) An installation is a critical installation if interference with, or damage to, the installation could put the operation of a port or a ship at risk.