Drafting instructions to Parliamentary Counsel, draft legislation, and communications within confidential consultative working groups formed to develop those instructions are all protected by legal professional privilege, and a confidentiality regime imposed on participants is sufficient to maintain privilege without a separate express use restraint.
The full text is available to signed-in members, including the 54 later cases that cite this judgment.
6 of the 54 citing cases carry a classified treatment. How each court treated it is available to signed-in members.