It was argued that the Minister's power is simply to deport, and not to send the alien to any particular place. That is perfectly clear. But it is equally clear that a person cannot well be deported in a ship bound nowhere. The power is exhausted when the alien is placed outside the territorial limits of the deporting country - in this instance, Australia. Did the Minister contemplate or has he attempted or threatened to do anything beyond that? Suppose that by the Minister's authority the plaintiff is placed on board a vessel bound for Italy. It is not for the alien to choose his ship, and there is no authority other than the Minister or some power above him to make the choice. The choice is reposed in the Minister until the regulation is altered or expires. There is nothing to prevent him from choosing a ship bound for China, so far as the execution of his power of deportation is concerned. If he chooses a ship bound for Italy, that cannot possibly be said to make the deportation an abuse of his power or in any sense an illegality.
That passage seems to me to be quite opposed to the argument for the plaintiff in the present case. One statement made by Barton J. needs a word of comment. His Honour said that the power to deport "is exhausted when the alien is placed outside the territorial limits of the deporting country - in this instance, Australia". If that meant that it is a necessary characteristic of every statutory power to deport that it is exhausted as soon as the deportee is placed outside the territotial limits, it would not be consistent with cases in which it has been held that the statutory regulation of deportation may include provisions for extra-territorial constraint, because these may be necessary in order that the power to deport may be rendered effective: see Cain's Case [3] and Zabrovsky v. General Officer Commanding Palestine [4] . In considering what Barton J. said, it should be noticed that under the particular enactment which he had to consider the provisions for the detention of the deportee were expressed to operate "until the ship leaves the Commonwealth". Likewise in the Duke of Chateau Thierry's Case [1] , which Barton J. examined in detail and on which he relied, the provisions concerning detention operated "until the ship finally leaves the United Kingdom". In relation to legislation containing such a provision, there is a sense in which it is true to say that the power is exhausted when the alien reaches a point outside the territorial limits. Later in his judgment, Barton J., after quoting passages from the Duke of Chateau Thierry's Case [1] , said [2] :
While admittedly there would be good ground for restraining and preventing an illegal act intended to be done under a valid order, yet it is abundantly clear that no member of the Court of Appeal considered that there was anything illegal in that which the Secretary of State avowedly intended to do. And in this case the avowed intention of the Minister for Defence is to all intents and purposes of an identical nature. The concluding words of the judgment of Swinfen Eady L.J. [3] decisively show that the Court of Appeal perceived no illegality in the intended action.
1. (1918) 25 C.L.R. 241.
2. [1917] 1 K.B. 922.
3. (1918) 25 C.L.R., at pp. 248-249.
4. [1906] A.C. 542.
5. [1947] A.C. 246, at p. 262.
6. [1917] 1 K.B. 922.
7. [1917] 1 K.B. 922.
8. (1918) 25 C.L.R., at p. 252.
9. [1917] 1 K.B., at p. 932.