For each Maritime Security (MARSEC) Level, the vessel owner or operator must ensure the Vessel Security Officer (VSO) and vessel security personnel are able to:

1. (a) Respond to security threats or breaches of security and maintain critical vessel and vessel-to-facility interface operations, to include:

   1. (1) Prohibiting entry into affected area;
   2. (2) Denying access to the vessel, except to those responding to the emergency;
   3. (3) Implementing MARSEC Level 3 security measures throughout the vessel;
   4. (4) Stopping cargo-handling operations; and
   5. (5) Notifying shoreside authorities or other vessels of the emergency;
2. (b) Evacuating the vessel in case of security threats or breaches of security;
3. (c) Reporting security incidents as required in § 101.305;
4. (d) Briefing all vessel personnel on possible threats and the need for vigilance, soliciting their assistance in reporting suspicious persons, objects, or activities; and
5. (e) Securing non-critical operations in order to focus response on critical operations.