US Maritime Transportation Security Act (MTSA) and USCG Cybersecurity Requirements S-105.230: Implement MARSEC level changes within 12 hours and coordinate with vessels

The facility must operate to the MARSEC level in effect, notify vessels moored or due within 96 hours of a level increase, implement additional measures within 12 hours and report compliance to the COTP, brief staff on threats at levels 2 and 3, obtain COTP approval before continuing operations if not compliant, and have procedures for interfacing with vessels and for declarations of security.