R (Guittard) v Secretary of State for Justice [2009] EWHC 2951 (Admin) – S 12 Prison Act 1952.
- judicial review where policy of a public body fetters its discretion.
- policy cannot fetter the future exercise of a discretion.
- unlawful for holder of statutory discretion to refuse to listen at all.
- even if policy does not fetter discretion, it must not be fettered in practice.
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