"51.Public authorities are under no general common law duty to give reasons for their decisions; but it is well-established that fairness may in some circumstances require it, even in a statutory context in which no express duty is imposed (see R v Secretary of State for the Home Department, Ex p Doody[1994] 1 AC 531 ; R v Higher Education Funding Council, Ex p Institute of Dental Surgery[1994] 1 WLR 242 , 263A-D ; De Smith's Judicial Review 7th ed, para 7-099). Doody concerned the power of the Home Secretary (under theCriminal Justice Act 1967 section 61(1) ), in relation to a prisoner under a mandatory life sentence for murder, to fix the minimum period before consideration by the Parole Board for licence, taking account of the "penal" element as recommended by the trial judge. It was held that such a decision was subject to judicial review, and that the prisoner was entitled to be informed of the judge's recommendation and of the reasons for the Home Secretary's decision: "