This section sets out that the Secretary of State may direct that certain evidence may only be heard by, or be open to inspection by, certain persons. If the Secretary of State is considering giving such a direction, the Advocate General for Northern Ireland may appoint a person to represent the interests of any person who will be prevented from hearing or inspecting such evidence. Powers provide for the appointment, payment and functions of a person (the appointed representative) to represent the interests of those people who are prevented from seeing the restricted material.