Port constables are appointed by the port company (
Forth Ports), and are attested by a
justice of the peace. The oath is given by Schedule 6 to the
Port of London Act 1968. The port company can suspend or terminate the appointment of a port constable. (which is land that is owned by the port company and used for the port) and anywhere within one mile of that land.
Entry A port constable may enter any vessel within the port police area (and can take people with him to assist if he thinks it necessary): • if, with reasonable cause, he suspects that an
indictable offence has been, or is about to be, committed on board the vessel, or • in order to arrest a person whom he may lawfully arrest, or • if, with reasonable cause, he believes that by so doing he will be able to facilitate the detection of an indictable offence committed, or the prevention of an indictable offence which he, with reasonable cause, suspects is about to be committed, within the port police area. • on or from the port premises, or • on or from a vessel either in a dock of the Port Authority or at a pier provided by the Port Authority. A constable may detain a person who, after being warned by an officer of the Port Authority not to do so, gets on to, or remains, on a movable bridge belonging to the Port Authority, when it is about to be moved, or is being moved, or before it is properly closed and fastened, if that person's name and address is unknown to and cannot be ascertained by the constable. Serious or major incidents or crimes become the responsibility of the local
territorial police force police force,
Essex Police. ==Other legislation==