Where a party's legal representatives have detailed knowledge of complex proceedings and the issues to be determined on a public interest immunity application require that knowledge, the court may prefer the party's own counsel as contradictor over amicus curiae, subject to confidentiality undertakings. The risk to the claiming party is realistically the same whether confidential materials are provided to the party's counsel or to amici curiae under equivalent undertakings. The authorities establishing a strong presumption against providing parties' representatives with access to PII material (Jackson v Wells, Northern Land Council, Seymour v Price) do not preclude this course where the particular facts and circumstances warrant it.
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