“iv) There is no principle that a hearing will be unfair in the absence of open disclosure to the controlee of an irreducible minimum of allegation or evidence. Alternatively, if there is, the irreducible minimum can, depending on the circumstances, be met by disclosure of as little information as was provided in AF, which is very little indeed. v) Whether a hearing will be unfair depends upon all the circumstances, including for example the nature of the case, what steps have been taken to explain the detail of the allegations to the controlled person so that he can anticipate what the material in support might be, what steps have been taken to summarise the closed material in support without revealing names, dates or places, the nature and content of the material withheld, how effectively the Special Advocate is able to challenge it on behalf of the controlled person and what difference its disclosure would or might make. vi) In considering whether open disclosure to the controlee would have made a difference to the answer to the question whether there are reasonable grounds for suspicion the controlee is or has been involved in terrorist related activity, the Court must have fully in mind problems for the controlee and the Special Advocates and take account of all the circumstances of the case, including the question what if any information was openly disclosed and how effective the Special Advocates were able to be. The correct approach to and the weight to be given to any particular factor will depend upon the particular circumstances. vii) There are no rigid principles….”
“a) the commission, preparation or instigation of acts of terrorism; b) conduct which facilitates the commission, preparation or instigation of such act, or which is intended to do so; c) conduct which gives encouragement to the commission, preparation or instigation of such acts or which is intended to do so; c) conduct which gives support or assistance to individuals who are known or believe to be involved in terrorism-related activities…”