单项选择题 （）means a plan developed to ensure the application of measures designed to protect the port facility and ships, persons, cargo, cargo transport units and ships stores within the port facility from the risks of a security incident.

单项选择题 （）means a plan developed to ensure the application of measures on board the ship designed to protect persons on board, cargo, cargo transport units, ship’s stores or the ship from the risks of a security incident.

单项选择题 （）means the level for which further specific protective security measures shall be maintained for a limited period of time when a security incident is probable or imminent, although it may not be possible to identify the specific target.