Nuclear Security Regulations

14 Every inner area shall be

• (a) equipped with devices that

  • (i) employ two independent systems that detect intrusion into, and unauthorized movement within and out of, the inner area,

  • (ii) detect any tampering that may cause any of the devices referred to in subparagraph (i) or (iv) to malfunction or cease to function,

  • (iii) when an event referred to in subparagraph (i) or (ii) is detected, set off two independent continuous alarm signals each of which is both audible and visible, one in the security monitoring room that can be stopped only from that room by a nuclear security officer, and the other in at least one other attended place outside the inner area that can be stopped only from that place by a person who is authorized to enter the inner area under section 18, and

  • (iv) facilitate an immediate assessment of the cause of an alarm; or

• (b) kept under the direct visual surveillance of a nuclear security officer who is equipped with a device that can set off a continuous alarm signal that

  • (i) is both audible and visible in a security monitoring room and in at least one other attended place outside the inner area, and

  • (ii) can be stopped only by a nuclear security officer from the security monitoring room or by a person who is authorized to enter the inner area in accordance with section 18 from another attended place outside the inner area.