“…even on substantive grounds. It is true that there are limited circumstances whereby Rules can be declared to be ultra vires: see, for example, Kruse v Johnson [1898] 2 QB 91; R v Immigration Appeal Tribunal, ex parte Manshoora Begum [1998] Imm. A.R. 385. But the present case, in my opinion, does not begin to fall within such a cate…”
“…ew jurisdiction to condemn it, in whole or in part, as invalid for unreasonableness. This principle is well-established. In the leading case of Kruse v Johnson [1898] 2 QB 91, concerned with the vires of a county council by-law, Russell LCJ, said this:…”