Before an interface starts between a ship and a port facility or another ship if:
(a) they are operating at different security levels; (b) one of them does not have a security plan approved by a Contracting Government or by a Security Organisation referred to in section 9. 2 of Part A of the ISPS Code; (c) the interface involves a cruise ship, a vessel carrying certain dangerous cargoes or the loading or transfer of certain dangerous cargoes; or (d) the security officer of either of them identifies security concerns about the interface. A new Declaration of Security is required if there is a change in security level.
