ISPS Code demands that every ship must have a Company Security Officer (CSO) and Port Facility Security Officer (PFSO) that will work alongside the Ship Security Officer (SSO) for security purposes. The CSO takes data from the Ship Security Assessment or Vessel Security Assessment to advise on possible threats that could happen on the ship. He will ensure that the Ship Security Plan (SSP) is maintained in an efficient manner by the SSO. Port Facility Security Officer (PFSO) is an officer employed by the port and designated as responsible for the development, implementation, revision, and maintenance of the port facility security plan and liaison with the port authorities, Ship Security Officer (SSO), and Company Security, Officer (CSO). The Ship Security Officer has full responsibility of the vessels security with the captain's approval as stated in chapter XI-2/8. The ISPS Code ensures that before the VSP is set in place that Vessel Security Assessments must be taken (VSA). The Vessel Security Plan must address every requirement in the Vessel Security Assessment. Ships that are prior to docking in
port must immediately comply with all requirements for security levels that are determined by that contracting
government. The alarm system works from the ship to administration ashore with transmitted signals that are communicated via
satellite. and upwards, and
mobile offshore drilling units) and the port facilities serving such ships. The Code does not apply to warships, naval auxiliaries, or other ships owned or operated by a contracting government and used only on government non-commercial service. == MARSEC levels ==