(a) The Facility Security Officer (FSO) must have a means to effectively notify OCS facility personnel of changes in security conditions at the OCS facility.

(b) Communication systems and procedures must allow effective and continuous communications between the OCS facility security personnel, vessels interfacing with the OCS facility, the cognizant District Commander, and national and local authorities with security responsibilities.

(c) Facility communications systems must have a backup means for both internal and external communications.