My Lords, I am grateful to my noble friend Lord Hodgson for bringing forward the amendment. It is clear from the contributions that it raises an important issue. I certainly recall that on publication of the Bill, the issue of whether there was a definition of national security was raised not just by a number of Members of your Lordships’ House but more widely. It is important to define the type of material that closed material procedures should be used for. I hope that I can set out why we think we have reached in the Bill the right definition of the
type of material that would be considered within a CMP—material that if released would damage national security.
The Government carefully considered the responses to the public consultation on the Green Paper, including consideration of the scope of the material to be covered, before bringing forward this legislation. The Bill makes provision for closed material procedures to be used only in contexts where there would be damage to national security. Examples of sensitive material that might be relevant to a case that would give rise to a duty to claim public interest immunity, and which could also be heard in a CMP under this legislation, include, for example, information from a sensitive source whose life or safety could be put in danger if openly disclosed. I think that example was given by the noble Baroness, Lady Manningham-Buller. Other examples include information relating to current operations that would be compromised if it were to be made public; intelligence material shared with the United Kingdom by foreign intelligence agencies; or the content of telephone calls or e-mails intercepted by the intelligence agencies that would not be admissible in open civil proceedings. It is difficult—a number of noble Lords said this in their contributions—to be completely prescriptive about all the types of damage to national security that could justify closed material proceedings.
The amendment in the name of my noble friend introduces a definition. I would assert that the term “national security” is clear, tried and tested. My noble friend Lord Lothian said that it is clear “when you see it”. One noble Lord asked: “Who sees it?” In this case, the judges see it. The Secretary of State makes an application to the court, and the judge determines whether it satisfies the condition that there would be damage to national security.
It has been for judges to interpret this term appropriately and flexibly. The flexibility of the current approach allows the judge to consider the arguments of the Secretary of State on their merits. Of course, the procedure, even at the initial gateway stage, would also allow special advocates to make representations to the court.
The noble Lord, Lord Beecham mentioned Article 6 of the European Convention on Human Rights. It is important to remember that in Clause 11(5)—