Unless Parliament has conferred upon the Court that power in language which is unmistakable, the Court is not to assume that Parliament intended to do that which so seriously affect foreigners who are not resident here, and might give offence to foreign Governments. Unless Parliament has used such plain terms as show that they really intended us to do that, we ought not to do it.

In re A. B. & Co. (1900), L. R. 1 Q. B. D. [1900], C. A. p. 544. See also Ex-parte Blain, 12 Ch. D. 522; In re Pearson (1892), 2 Q. B. 263.