19 As to the first matter, s 116(1)(fa)(i) of the Act clearly indicates Parliament's relevant intention: a student visa might be cancelled if its holder is not or is likely not a "genuine student". It may safely be imputed to the legislature, in my opinion, that it did not intend that the respondent Minister's delegate could permit, let alone effectually require, a person who might well be a genuine student but had failed in attendance and/or assessment through innocent temporary mishap, to lose his or her visa. Indeed, s 116(3) makes the Minister's contemplated lack of discretion not to cancel a visa conditional on both:
(a) his having the statutory power to cancel a (student) visa; and
(b) a prescription (by regulations) of circumstances in which a visa must be cancelled.
20 Even if the power to make the prescription in (b) is not conditional on its not being contrary to s 116(1), the power in (a) certainly is. The power only exists in relation to a non-genuine or likely non-genuine student. An otherwise genuine student does not lose his or her genuineness or likely genuineness because of transient misadventure. If the applicant's was such a case, the regulation could not oblige the Minister to cancel his visa. The Tribunal, standing in the respondent Minister's shoes, therefore, would have had a discretion as to whether to cancel the applicant's visa.
21 As to the second and third matters, the relevant purposes underlying the enactment by Parliament of a system of visas for students who are aliens may be readily inferred: to do good by giving access to Australian providers of education to people who cannot access such facilities in their own countries, and to do well by assisting such providers to market their services to foreign as well as domestic students. At the same time, there is an evident purpose, consonant with the whole Act, to prevent the undermining of the efficacy of the visa system by resort, by aliens, to merely colourable efforts to study. Such purposes are plainly undermined by delegated legislation which would encourage genuine foreign students here but then, for mere misadventure, pack them off again.
22 This being so, either the regulation must be accorded a purposive interpretation, assuming the limits of such an approach are not transgressed, or the regulation should be regarded as, to that extent, travelling beyond the scope and purpose of the regulation-making power conferred by the legislature. It would be highly preferable, if possible, to apply the first of these approaches so as to give the regulation a reasonable construction; see the approach in Ferner v Wilson (1906) 4 CLR 785, Matthews v City of Prahan [1925] VLR 469 at 476-77 per Irvine CJ and Minister of State for Resources v Dover Fisheries Pty Ltd (1993) 43 FCR 565. The limits to such an approach were seen by McHugh JA as, at once, large but limited in Bermingham v Corrective Services Commn of NSW (1988) 15 NSWLR 292. His Honour said:
"To give effect to the purpose of the legislation, a court may read words into a legislative provision if by inadvertence Parliament has failed to deal with an eventuality required to be dealt with if the purpose of the Act is to be achieved.
… a court [may do so] when three conditions are fulfilled. First, the court must know the mischief with which the Act was dealing. Secondly, the court must be satisfied that by inadvertence Parliament has overlooked an eventuality which must be dealt with if the purpose of the Act is to be achieved. Thirdly, the court must be able to state with certainty what words Parliament would have used to overcome the omission if its attention had been drawn to the defect."
23 The course of later judicial authority does not diminish the force and weight of this approach: see Leah v Secretary, Department of Employment, Education, Training and Youth Affairs (1998) 86 FCR 230 at 234-235, Transport Action Group Against Motorways Inc v Road and Traffic Authority & Anor (1999) 46 NSWLR 598 per Mason P at 627 and Pyramid Building Society (In Liq) v Terry (1997) 189 CLR 176 per McHugh J at 195-196.
24 Those conditions are, in my opinion, satisfied: the relevant purposes of the Act and regulations are evident, as are the "mischiefs" with which they were to deal, and it is clear that the framers of the provisions in question did not turn their minds to the question of misadventure. One can also say "with certainty" what those framers would have provided: this is that the requirements of condition 8202 should not apply if the circumstances of failure to meet the requirements were beyond the student's reasonable control and this could be satisfactorily shown. This "certainty" arises because the policy was broadly conformable with the parliamentary guidance (in s 116(1)(fa)) on the very point; and it was contemporaneously enough promulgated by the Minister, a member of the government which advised the Governor-General, the regulation-maker. No difference between the Minister and the Governor-General on such a matter can, in point of constitutional theory and practice, be admitted: see Steiner & Anor v Attorney-General for Commonwealth of Australia (1983-84) 52 ALR 148 at 152-153 per Beaumont J. The attitude of the delegated legislator is therefore to be taken to be that of the Minister, whose position was made clear in the policy document.
25 Alternatively, although, I trust, observing due caution and appropriate respect from the judicial arm of government for the executive (and perhaps particularly when the Governor-General is the regulation-making authority: see e.g. Zhang Fu Qui v Minister for Immigration & Multicultural Affairs (1994) 55 FCR 439 at 447 per Lockhart J), I think this is a case where, in its application to cases of proven misadventure, the regulation read literally does, in my opinion, qualify as standing outside the scope of what Parliament authorised.
26 In Williams v Melbourne Corporation (1933) 49 CLR 142 at 155 Dixon J said:
"… the true character of the by-law may … appear to be such that it could not reasonably have been adopted as a means of attaining the ends of the power. In such a case the by-law will be invalid, not because it is inexpedient or misguided, but because it is not a real exercise of the power."
This has developed into a test of "reasonable proportionality" and was restated by the High Court in South Australia v Tanner (1989) 166 CLR 161. The majority said at 167-168:
"… the test of validity is whether the regulation is capable of being considered to be reasonably proportionate to the end to be achieved … It is not enough that the court itself thinks the regulation inexpedient or misguided. It must be so lacking in reasonable proportionality as not to be a real exercise of the power."
These authorities were considered by Gummow J in Minister of State for Resources v Dover Fisheries Pty Ltd (1993) 43 FCR 565 at 577:
"These observations in the High Court indicate that whatever may be the sweep of the proportionality principle in federal constitutional law, when the question of validity is concerned with delegated legislation made pursuant to a law of the Parliament whose validity itself is not impugned, the proportionality principle is differently focussed. The observations by their Honours further suggest that here at least there has been no significant shift in doctrine and, indeed, that the subject is still controlled by what was said by Sir Owen Dixon [in Williams] … The fundamental question is whether the delegated legislation is within the scope of what the Parliament intended when enacting the statute which empowers the subordinate authority to make certain laws." (Emphasis added)
27 The Governor-General's power to make regulations is, as set out in s 504(1) of the Act, to "make regulations, not inconsistent with this Act, prescribing all matters which by this Act are required or permitted to be prescribed or which are necessary or convenient to be prescribed for carrying out or giving effect to this Act …". The purposes of the Act, as it relates to visas, can be broadly said to be to control the granting of visas to suitable applicants and ensure that aliens do not abuse the privilege of the visa. In relation to student visas, the purposes are as set out in para 21 above. However, the provisions of condition 8202, read literally, cannot be said to be reasonably proportional to those purposes, as the condition does not allow for any sort of discretion in the event of genuine misadventure on the part of a "genuine student". Hence a purposive approach can and should be applied.
28 It follows that, in the result, it was legitimate for the Tribunal to have regard to the policy, and that the Tribunal misinterpreted the legislation as not permitting that. Accordingly, there were reviewable errors of law within the meaning of s 476(1)(e).