12.18 restricted areas on the ship

18．Describe the restricted areas on the ship．描述船上的限制区域。
（1）The purpose of restricted areas on the ship．设定限制区域的目的。
（2）Identify the restricted areas established on the ship．识别船上的限制区域。
（3）The requirement of the restricted areas on the ship．船上限制区域的要求。

The SSP should identify the restricted areas to be established on the ship,specify their extent,times of application,the security measures to be taken to control access to them and thoseto be taken to controI activities within them. 

The purpose of restricted areas are to:
· Prevent unauthorized access;
·Protect passengers, ship's personnel, and personnel from port facilities or other agen-cies authorized to be on board the ship;
·Protect sensitive security areas within the ship;and
·Protect cargo and ship's stores from tampering.

The SSP should provide that all restricted areas should be clearly marked indicating that ac-cess to the area is restricted and that unauthorized presence within the area constitutes a breachof security.