Offshore security plans identify security measures to be implemented when different maritime security levels are in force.

Various offshore industry participants are required to have, and comply with, offshore security plans.

Various other persons and ships are required to comply with offshore security plans. This is dealt with in Division   3.

The content and form of offshore security plans is dealt with in Division   4.

The approval of offshore security plans by the Secretary is dealt with in Division   5. That Division also deals with the variation and revision of plans, and with the cancellation of the approval of plans.