"All that is at issue in the instant appeal is the procedure by which such relief ought to be sought. Put in a single sentence the question for your Lordships is: whether in 1980 after R.S.C., Ord. 53 in its new form, adopted in 1977, had come into operation it was an abuse of the process of the court to apply for such declarations [sc. that a decision of a public authority was void] by using the procedure laid down in the Rules for proceedings begun by writ or by originating summons instead of using the procedure laid down by Ord. 53 for an application for judicial review . . . ."
"Now that those disadvantages to applicants [for judicial review] have been removed and all remedies for
"My Lords, I have described this as a general rule; for though it may normally be appropriate to apply it by the summary process of striking out the action, there may be exceptions, particularly where the invalidity of the decision arises as a collateral issue in a claim for infringement of a right of the plaintiff arising under private law, or where none of the parties objects to the adoption of the procedure by writ or originating summons. Whether there should be other exceptions should, in my view, at this stage in the development of procedural public law, be left to be decided on a case to case basis - a process that your Lordships will be continuing in the next case in which judgment is to be delivered today [Cocks v. Thanet District Council [1983] 2 A.C. 2861."
"It is a principle not by any means to be whittled down that the subject's recourse to Her Majesty's courts for the determination of his rights is not to be excluded except by clear words."