parties' submissions
24 The applicant's amended originating application contained three grounds. Under ground 1, the applicant contended that the Minister had misunderstood or misapplied the statutory task when assessing the question of the applicant's risk to the Australian community. In particulars to this ground, the applicant asserted that:
(a) The Respondent considered the most recent evidence on risk, as he was bound to, namely the report of Dr King, psychologist, dated 23 March 2016.
(b) The Respondent noted that Dr King said that there was no risk of re-offending, provided the applicant underwent an intensive period of treatment with him.
(c) The respondent accepted that the Applicant had agreed to undergo treatment with Dr King.
(d) Contrary to the finding in [86] of the decision, Dr King did not provide an opinion on the level of risk if the Applicant were released into the community prior to commencing the required treatment with him.
(e) There was no basis for the Respondent to conclude that if the applicant was released into the community prior to commencing the required treatment, that there was a likelihood that he would re-offend.
25 In oral submissions at the hearing, counsel for the applicant submitted that both grounds 1 and 2 "revolve[d] very much around the provision of a psychologist's report from a Dr King and how the Minister dealt with that report".
26 In written submissions, the applicant also submitted that:
The Minister incorrectly noted in [68] that both Mr Cummins and Dr King assessed that specific treatment would lower the applicant's risk of recidivism. Mr Cummins did not make any reference to the impact of treatment upon risk, rather, he noted that because of language difficulties, the applicant would require a Mandarin speaking alternative... Equally, Dr King did not make any reference to treatment lowering the risk of recidivism. Rather ... he said that with treatment there was no risk of re-offending.
The applicant added that "there was no evidence before the Minister regarding the level of risk if the applicant were to be released into the community prior to having commenced treatment with Dr King". He further submitted that the question had neither been addressed by the sentencing judge nor the psychologists reporting to her.
27 Counsel for the applicant submitted at the hearing that Mr Cummins did not say anything in relation to the risk of re-offending being lowered by treatment. Nor did Mr Drake or Dr King say anything about the risk being lowered by treatment. Counsel submitted that all the Dr King reported was a zero risk of re-offending if the applicant was treated by him. Counsel submitted that:
[T]he real question which was glossed over ... was that each of the psychologists had the same view about something, whereas in fact they didn't. And so what that left unanswered was the case that the applicant was putting - was that if he were released, along with the conditions of the community corrections order and the sex offender register order, the treatment with Dr King would reduce his risk to zero. So the - what has happened, it's submitted, is that the Minister has stopped short of answering the question which was posed by the material. ...
The question which was raised was - by the most recent report, was that, with treatment, the risk that the applicant posed to the community was zero, or there was no risk, and so the question that that raised was if he were released and were undergoing that treatment or about to undergo that treatment or was pursuing that treatment - all of which was suggested that he wanted to do with Dr King - would the risk during that relevant period be one which was unacceptable? And that question wasn't answered because of the way in which the Minister glossed over what the information was telling him.
28 Counsel for the applicant submitted that this was not a minor factual error. Rather, it was "an error that was part of a chain of reasoning that led the Minister to conclude that there was an ongoing likelihood" of offending again. There was therefore, so the applicant said, jurisdictional error in the Minister's decision because he failed to carry out the statutory task.
29 The Minister accepted that Mr Cummins did not expressly state that specific treatment would lower the applicant's risk of recidivism and to the extent the Minister's statement of reasons, especially at [68], indicated that Mr Cummins did state this, the statement was in error. The Minister contended, however, that the error was not "significant to the decision reached". The Minister stated in written submissions that:
It is implicit in Dr King's opinion that, without treatment, the Applicant would pose a risk to the Australian community. It was open for the Minister to make an inference to this effect in reliance on Dr King's report. In any event, Mr Cummins clearly stated that the Applicant presented a low-moderate risk of reoffending, and provided this opinion without qualification or reference to the provision of any treatment. Mr Drake also said that the Applicant fell within a group that had a low recidivism rate. Once again, this opinion was expressed without reference to any treatment. It was accordingly open to the Minister to infer, on this basis also, that the Applicant posed a risk to the community in the absence of treatment from Dr King.
On this basis the Minister contended that there was ample evidence to find that the applicant posed a risk of harm to the Australian community in the absence of him receiving treatment.
30 At the hearing, counsel for the Minister submitted that the essential question under grounds 1 and 2 was whether or not the "material reasonably admit[ted] of the conclusions that the Minister ultimately arrived at", citing Minister for Immigration and Border Protection v Jayshree Enterprises Pty Ltd [2017] FCA 264 at [28] and Minister for Immigration and Multicultural Affairs v Rajamanikkam [2002] HCA 32; 210 CLR 222 at [25]. Counsel for the Minister emphasised that Dr King's opinion that the applicant would not pose a risk was expressly predicated on the assumption that he would be receiving treatment of some kind. Counsel for the Minister affirmed that the Minister had not misconstrued Dr King's report.
31 Under ground 2, the applicant contended that the Minister had misunderstood or misapplied the statutory task when assessing the question of the applicant's risk to the Australian community by reference to the following particulars:
(a) Throughout the decision, the Respondent used the terms risk and likelihood as if they were the same;
(b) The Respondent erred in eliding the assessment of risk of re-offending with a different question, being the likelihood of re-offending.
32 In this connection, the applicant noted that the Minister referred to "risk" at [65] and [70]-[74] and "likelihood" at [76]. The applicant submitted that "[t]he switch from risk to likelihood" also appeared at [86] and [95]. The applicant contended that "it is one thing to assess the risk of reoffending, but another to assess the likelihood of reoffending", because "[a] risk of something occurring does not mean that there is a likelihood, in the sense of probability, that it will occur"; and "[i]n the result, the Minister, having decided to consider the issue of revocation in terms of the likelihood of re-offending, impermissibly equated risk with likelihood".
33 At the hearing, counsel for the applicant submitted:
[A]lthough the Minister is not required to embark upon an evaluation of the likelihood, when the Minister does, then it's submitted the Minister must go about that task correctly. So that unless the Minister shows in the reasons an appreciation of the difference between risk and likelihood and because those words do have different meanings, then it's submitted that they can't be used interchangeably.
… [T]he applicant's short submission ... is when one looks at the process, ... what the Minister has done is looked at what the experts say in relation to risk, set it [out] incorrectly as referred to in ground 1, but then jumps immediately to the question of likelihood without any foundation for that, or without any analysis as to why something moves from a risk to a likelihood. So it's submitted that that's apparent in the way in which the Minister has mixed the terms and used them effectively as if he was assessing the same thing.
34 The Minister responded by submitting that "using the words risk and likelihood interchangeably does not lead to the conclusion that the decision maker has failed to apply the question posed by s 501CA(4)(b)(ii) of the Act" (italics original). Referring to Tanielu v Minister for Immigration and Border Protection [2014] FCA 673; 225 FCR 424 (Tanielu) and Moana v Minister for Immigration and Border Protection [2015] FCAFC 54; 230 FCR 367 (Moana), the Minister submitted that likelihood is a constituent element of risk and that the likelihood of the applicant's re-offending was of "central relevance to the issue of the risk of him reoffending". The Minister concluded with the observation that the applicant's focus on [76] of the Minister's statement of reasons, "where the Minister refers to likelihood, overlooks the statement in paragraph [95], under the heading of conclusion, where the Minister speaks in terms of risk of harm to the Australian community", which was consistent with Tanielu and Moana (emphasis original).
35 In oral submissions at the hearing, counsel for the Minister said that he was "not saying that when the Minister considers risk of harm the Minister must, necessarily, consider likelihood in all circumstances. It is, in this instance, not, however, an error ... to have considered likelihood". Counsel submitted that "in the context here of the Minister's reasons, the way the Minister has dealt with questions of likelihood and risk, it is clear ... that the Minister has properly considered the question". That is, so counsel for the Minister submitted, the Minister recognised that the relevant question for him to determine was whether the applicant posed an unacceptable risk, and the Minister considered likelihood in that context.
36 In a third ground, the applicant alleged that:
The decision of the Respondent was invalid because s 501(3A) of the Migration Act 1958 (Cth), on which it depended, was itself invalid as purporting to confer judicial power on the respondent Minister, contrary to Ch III of the Constitution
37 This ground (Falzon ground) raised an issue falling for determination in proceedings brought in the original jurisdiction of the High Court, challenging the constitutional validity of s 501(3A) of the Migration Act: see Falzon v Minister for Immigration and Border Protection [2017] HCATrans 230 (No S31/2017). Judgment in that matter is currently reserved. The parties in this proceeding agreed that the consideration of ground 3 should be deferred until after the High Court delivers judgment.