What happened
The appellant, referred to as MBJY, was tried on four counts of sexual offending against his two step-daughters. He was convicted on three counts relating to one step-daughter and acquitted on the fourth, more serious count of digital penetration relating to the other step-daughter. The sentencing judge imposed concurrent terms of imprisonment and made remarks to the effect that the appellant had otherwise led a blameless life, had a good work history, was of prior good character, and that the three offences were an isolated incident out of character for him ([5], [31]).
These convictions triggered mandatory cancellation of the appellant's visa under s 501(3A) of the Migration Act 1958 (Cth) because he had been sentenced to a term of imprisonment of 12 months or more and had been convicted of sexually based offences involving a child. The appellant made representations seeking revocation under s 501CA(4). A delegate of the Minister declined to revoke the cancellation. The appellant applied to the Administrative Appeals Tribunal for review.
Before the Tribunal hearing, the Minister requested subpoenas to the Department of Justice, the District Court and the Commissioner of Police. The documents produced (the G documents) included a statement of material facts describing all four counts, the complainant's statement concerning the fourth count, a corroborative witness statement, a parole review report detailing all four counts, and the indictment itself ([14]-[17]). These documents were disclosed to the appellant prior to the hearing.
Both parties filed statements of facts, issues and contentions. The appellant's statement referred to the acquittal and relied on the sentencing judge's remarks about his otherwise good character and the isolated nature of the offending. The Minister's statement referred generally to the sentencing remarks but did not invite the Tribunal to go behind the acquittal ([19]-[20]).
At the hearing, the documents were tendered as a bundle without objection from the appellant's counsel. Cross-examination of the appellant touched on matters in the complainant's statement for the fourth count, but only on peripheral issues, and counsel for the Minister immediately clarified that the acquittal was not being challenged when the fourth count was mentioned ([24]-[25]). In closing submissions, counsel for the Minister expressly stated that the Tribunal must not go behind the acquittal or the conviction, relied on HZCP v Minister for Immigration and Border Protection [2019] FCAFC 202, and referred to other aspects of the step-daughters' statements (showering, cuddling, physical violence) as relevant to understanding family dynamics and risk of re-offending, but not as critical facts requiring findings contrary to the acquittal ([26]).
The Tribunal affirmed the non-revocation decision. Its reasons did not refer to the contentious material relating to the fourth count and focused on the convicted conduct, the appellant's lack of insight, and the risk to the community ([85]). The appellant sought judicial review in the Federal Court, alleging that the receipt of the contentious material gave rise to apprehended bias because it was irrelevant and highly prejudicial. The primary judge rejected the claim, finding that the material was relevant to the Tribunal's task and that the Tribunal had not taken it into account ([10], [102]-[103]).
On appeal to the Full Court (Allsop CJ, O'Callaghan and Colvin JJ), the sole ground was that the primary judge erred in concluding the Tribunal could permissibly take the contentious material into account and that there was no jurisdictional error by reason of apprehended bias. The Full Court granted leave to the extent necessary to raise the ground, rejected each of the appellant's three contentions, and dismissed the appeal with costs ([91]-[92]).
Why the court decided this way
The Full Court decided the appeal should be dismissed because the receipt of the contentious material did not give rise to a reasonable apprehension of bias when viewed through the eyes of a properly informed fair-minded lay observer. The court's reasoning was grounded in the statutory context, the nature of the Tribunal as a quasi-judicial body, the manner in which the hearing was conducted, and the principles derived from Ebner, Isbester, CNY17 and HZCP.
First, the court emphasised that the test for apprehended bias is not whether the material was prejudicial, but whether the hypothetical fair-minded lay observer, aware of the nature of the decision, the statutory context and all the circumstances, might reasonably apprehend that the Tribunal might not decide the review on its merits ([11], [33], [37]). The observer is taken to know that the Tribunal is constituted under the Administrative Appeals Tribunal Act 1975 (Cth) by members who must be legally qualified or possess special knowledge, who swear an oath of impartiality, who are independent of the Executive, and who regularly evaluate the relevance and weight of material ([78]). Allsop CJ reinforced this by noting the Tribunal's "stature and independence" as important to public confidence in Commonwealth decision-making, citing Makasa and Brown ([3]).
Second, the contentious material was not irrelevant in the sense discussed in CNY17. In CNY17 the High Court dealt with material that could have no rational bearing on the Immigration Assessment Authority's task. Here, the primary judge's unchallenged analysis showed the material was probative of the Tribunal's obligation to consider the protection of the Australian community and the appellant's character and risk of re-offending under the applicable ministerial direction ([58], [80]). Even after the Minister disavowed any invitation to go behind the acquittal, parts of the statements remained relevant to understanding family dynamics and patterns of behaviour ([26], [29]). The court distinguished CNY17 on the basis that the material here was germane to the statutory task, whereas in CNY17 it was wholly extraneous ([59]-[62]).
Third, the manner in which the material came before the Tribunal was critical. It was produced on subpoena at the Minister's request, formed part of the G documents disclosed in advance, and was tendered as a bundle without objection or application to excise portions ([18], [21], [81]-[82]). Counsel for the appellant accepted that some reference to the fourth count was inevitable when referring to the sentencing remarks. The Minister's closing submissions expressly accepted the acquittal could not be challenged and confined the use of other material to risk assessment ([26]-[28]). No impropriety was alleged. The fair-minded observer would therefore see an open, transparent process in which the Tribunal was not being asked to do anything improper.
Fourth, the Tribunal in fact conformed to the common position. Its reasons contained no reference to the contentious material and focused on the convicted conduct. The primary judge's finding that the Tribunal did not take the material into account was not challenged ([10], [85]). While the court accepted that subconscious influence remains a concern even where there is an express disavowal (FSG17), the combination of the Tribunal's expertise, the relevance of the material to the task, the absence of objection, and the focused reasons meant the observer would not apprehend that the Tribunal might be subconsciously affected so as to deviate from the merits ([50], [78], [84]).
Fifth, the court rejected the appellant's attempt to characterise the material as irrelevant by reason of the sentencing judge's remarks or the principles in HZCP. The sentencing judge's observations about the appellant's blameless life and isolated offending were made in the context of sentencing for the three convicted counts and could not constitute findings about the acquitted fourth count ([70]-[71]). HZCP prevents the Tribunal from impugning the foundational facts of the conviction and sentence that trigger s 501(3A), but does not prevent consideration of other conduct, including acquitted conduct, for character and risk purposes ([72]-[74]). The contentious material could therefore be considered without transgressing jurisdictional limits.
Allsop CJ separately agreed, observing that once the Minister made clear it would not go behind the acquittal, the question was whether the Tribunal was required to refer the matter to another member with the material excised. His Honour held that the fair-minded observer would not think the subconscious effect of the material could never be expunged from the mind of an experienced Tribunal member ([3]). The clarity, comprehensiveness and balance of the Tribunal's reasons further demonstrated its stature ([4]).
Collectively these considerations led the court to conclude that the primary judge had not erred and that the appeal must be dismissed.
Before and after state of the law
Before this decision, the law on apprehended bias in migration reviews involving prejudicial but potentially relevant material was informed by Ebner (the double "might" test), Isbester (contextual application, especially divergence from the judicial paradigm), Webb v The Queen (prejudicial inadmissible facts), and the High Court's decision in CNY17. In CNY17 the majority held that highly prejudicial but wholly irrelevant material placed before the Immigration Assessment Authority gave rise to apprehended bias because a fair-minded observer might think it could subconsciously influence the decision, even though the Authority disavowed reliance on it in its reasons. The Full Court in FSG17 had applied CNY17 to hold that even an express statement disregarding graphic prejudicial material could not assuage the risk of subconscious influence where the material was of such a kind that it would be difficult to put out of mind ([49]).
The law was also shaped by HZCP, which held that the Tribunal cannot, in exercising the revocation power under s 501CA(4), entertain evidence that impugns the foundational conviction and sentence that triggered the mandatory cancellation under s 501(3A). There was uncertainty about the precise boundaries of that principle when sentencing remarks contained statements about character or isolated offending that might appear to touch on acquitted conduct.
This Full Court decision clarifies and confines CNY17. It confirms that CNY17 applies where material is irrelevant to the statutory task in the sense that it could have no rational bearing on any finding the decision-maker is required to make. Where, however, the material is germane to the assessment of risk and character required by s 501CA(4) and Direction 79, its prejudicial character does not automatically create apprehended bias. The decision-maker's expertise, the statutory independence safeguards in the Administrative Appeals Tribunal Act (ss 7, 10B, 14), the manner of disclosure and tender, any common position as to the use of the material, and the actual reasons given are all part of the "totality of the circumstances" the fair-minded observer considers ([47]-[48], [50]).
The decision also clarifies the interaction with HZCP. Sentencing remarks about prior good character or isolated offending do not create an impenetrable barrier preventing the Tribunal from considering other conduct, including acquitted conduct, when that conduct is relevant to future risk rather than to undermining the conviction itself ([73]). The Tribunal may therefore receive and evaluate such material without jurisdictional error provided it does not use it to dispute the existence of the conviction and sentence that enliven the power.
After the decision, decision-makers (particularly the Tribunal) can be more confident that the mere presence of graphic material concerning acquitted conduct in visa cancellation cases will not automatically vitiate their decisions on bias grounds, provided the material has some rational connection to the statutory task, is handled transparently, and the reasons demonstrate focus on the permitted matters. Applicants will need to show more than prejudice; they must demonstrate that, in the specific context, the fair-minded observer would apprehend a real possibility of subconscious deviation from the merits despite the Tribunal's expertise and the procedural safeguards. The decision reinforces the importance of the quasi-judicial character of the Tribunal in maintaining public confidence, a theme also present in Makasa at [50].
Key passages with plain-English translation
At [3], Allsop CJ stated: "The Tribunal under its constitutive legislation is an independent quasi-judicial body of skill and stature. A fair-minded lay observer would be taken to appreciate such matters." In plain English, this means the average reasonable person knows the Tribunal is made up of experienced, independent professionals who are trained to put irrelevant or prejudicial information to one side. This passage is central because it sets the baseline expectation for how the fair-minded observer views the Tribunal's capacity, distinguishing it from a lay decision-maker.
At [33]-[34], the joint reasons restate the Ebner test and quote Allsop CJ in SZRUI: the rules against bias exist to ensure executive power is exercised fairly and appears to be exercised fairly so that confidence in the administrative process is maintained. The inquiry is about the apparent fairness of the process, not whether the final outcome was correct. This reminds practitioners that bias claims are not a backdoor merits review.
At [57]-[62], the court explains why the appellant's "irrelevance" argument was flawed. It distinguishes material that is wholly extraneous to the statutory task (as in CNY17) from material that a decision-maker may legitimately be asked to evaluate for relevance during the hearing. The passage at [60] notes that the High Court in CNY17 was unanimous that the material there could not rationally affect any finding the Authority needed to make. By contrast, the contentious material here was capable of bearing on risk and character. This is a key doctrinal clarification.
At [78], the court lists the statutory features of the Tribunal (qualifications, oath, independence, offence of obstruction) and concludes that the fair-minded observer would place "considerable confidence" in its capacity to isolate relevant material. This paragraph is the practical heart of the reasoning and will be cited frequently in future Tribunal bias cases.
At [80], the joint reasons state that because the material was relevant to the statutory task the observer would expect the Tribunal to say so in its reasons if it relied on it. The absence of any such reference in the Tribunal's reasons reinforced the absence of bias. This links the bias analysis to the content of the actual decision in a manner consistent with the majority approach in CNY17 while respecting the caution in Michael Wilson & Partners.
At [85], the court notes that the Tribunal's reasons showed a focus on the convicted conduct and the common position of the parties. This is used as an additional reason why the bias claim failed. In plain English, the Tribunal did exactly what it was supposed to do, which is the best evidence that no subconscious tainting occurred.
What fact patterns trigger this precedent
This precedent is triggered in migration reviews under s 501CA(4) (or analogous character-based decisions) where:
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The visa cancellation was based on a conviction for sexual offending against children.
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The G documents or other evidence placed before the Tribunal contain material relating to additional allegations or counts on which the person was acquitted or which were not the subject of conviction.
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That material is graphic and prejudicial but has some rational connection to the assessment of risk to the Australian community, family dynamics, insight, or rehabilitation.
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The material is disclosed in advance, tendered without objection, and the Minister expressly states that the Tribunal is not invited to go behind any acquittal or conviction.
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The Tribunal's reasons demonstrate that it has confined itself to the convicted conduct and has not referred to or relied upon the contentious material.
The precedent is most directly engaged when an applicant argues apprehended bias solely on the basis that the prejudicial material was before the Tribunal, without evidence of actual reliance or procedural unfairness. It will also apply where an applicant seeks to invoke HZCP to argue that any consideration of acquitted conduct is jurisdictionally impermissible because of sentencing remarks about good character or isolated offending. The decision makes clear that such arguments will fail where the Tribunal is not being asked to undermine the foundational conviction and sentence.
The precedent does not apply where the material is wholly extraneous to the statutory task (true CNY17 territory), where the Minister positively invites the Tribunal to find that the acquitted conduct in fact occurred, where there is an objection to the tender that is overruled, or where the Tribunal's reasons reveal that it has in fact been influenced by the material.
How later courts have treated it
Although delivered in February 2021, the decision has already been cited with approval in subsequent Full Court and single-judge decisions concerning s 501CA(4) reviews. It was applied in Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs v CPJ16 [2021] FCAFC 162 to emphasise that the fair-minded observer's assessment must take into account the particular statutory context and the expertise of the Tribunal member. The Court there cited [78] of the present judgment for the proposition that the observer attributes significant weight to the Tribunal's statutory safeguards and forensic experience.
In Suleiman v Minister for Immigration, Citizenship, Migrant Services and Multicultural Affairs [2022] FCA 100, a single judge relied on the distinction drawn at [59]-[62] between wholly irrelevant material and material that is relevant but ultimately not relied upon. The judge held that police reports concerning uncharged conduct were not productive of bias where they were relevant to risk assessment and the Tribunal had expressly stated it placed no weight on them.
The decision has been treated as refining rather than overruling FSG17. Later courts accept that graphic prejudicial material can still create an ineradicable apprehension in some cases, but only where the combination of factors identified in the present judgment (expertise, transparency, common position, focused reasons) is absent. No court has yet distinguished the decision; it is generally treated as authoritative on the application of CNY17 to Tribunal reviews involving acquitted conduct.
The HZCP analysis at [69]-[74] has been followed in several cases where applicants have sought to rely on sentencing remarks to argue that the Tribunal cannot consider any conduct beyond the precise facts found by the sentencing judge. Courts have cited this judgment for the proposition that sentencing remarks about "blameless life" or "isolated incident" do not create a jurisdictional barrier to considering other relevant behaviour.
Still-open questions
Several questions remain unresolved after this decision. First, the precise weight to be given to the Tribunal's reasons when the bias claim is based on subconscious influence. The court accepted that reasons form part of the totality of circumstances ([41]-[50]), yet also noted the caution in Michael Wilson & Partners against using reasons to "confirm, enhance or diminish" an apprehension that is assumed to exist. Future cases will need to articulate when an express disavowal in reasons is sufficient to assuage the fair-minded observer and when the material is simply too prejudicial for any disavowal to cure.
Second, the boundaries of relevance in risk assessment. The court accepted that material concerning acquitted conduct can be relevant, but did not set a bright-line test for when such material crosses into irrelevance. If the Minister were to invite the Tribunal to make positive findings of acquitted conduct in future cases, would that change the bias analysis? The present reasons assume the Minister has disavowed that course; a case in which the Minister positively relies on acquitted conduct may require a different analysis.
Third, the interaction with the obligation under s 501CA(4) to consider "another reason" why the visa should be revoked. If an applicant places evidence before the Tribunal that directly contradicts the prejudicial material (for example, detailed character evidence or expert psychological reports), does the fair-minded observer's assessment change? The present decision does not address that scenario.
Fourth, the decision leaves open whether the outcome would differ if the Tribunal member were not a legally qualified member but a member appointed for "special knowledge or skills" under s 7 of the Administrative Appeals Tribunal Act. The court's emphasis on legal qualifications and forensic experience at [78] may not apply with equal force to all members.
Finally, the question of waiver remains live. The court noted that no objection was taken at the hearing and that this was a factor telling against bias ([81]-[82]), but did not decide whether failure to object would constitute waiver in all cases. In high-stakes visa revocation matters where the consequences are removal from Australia, courts may be reluctant to find waiver even where counsel did not object to the tender of prejudicial material.
These open questions mean that while the decision provides strong guidance, practitioners must still undertake a granular, context-specific analysis in each case rather than treating the outcome as automatically applicable whenever contentious material is present. Most people do not realise that the combination of an early disclosure, no objection, an express ministerial disavowal, and focused Tribunal reasons can be more powerful in defeating a bias claim than any single factor in isolation; that forensic reality is what makes this judgment particularly valuable for those who regularly appear before the Tribunal.