ABT17 v Minister for Immigration and Border Protection [2020] HCA 34

ABT17 v Minister for Immigration and Border Protection [2020] HCA 34

It was legally unreasonable for the IAA to depart from the delegate’s favourable credibility findings (based on the appellant’s demeanour at interview) without sufficient reason, especially given the IAA did not itself interview the appellant or have the same basis for direct assessment of credibility. The IAA’s differing assessment, made only on an audio rather than a visual observation, was not properly substantiated. The IAA could not reject the delegate's credibility findings unless those were glaringly improbable, contrary to compelling inferences, or otherwise clearly erroneous, none of which applied. Accordingly, the IAA’s error was jurisdictional, requiring its decision to be...

Parties
Appellant: ABT17; First Respondent: Minister for Immigration and Border Protection; Second Respondent: Immigration Assessment Authority
Jurisdiction
Australia
Judgment Date
14 October 2020
Procedural Posture
Appeal / High Court Appeal From Federal Court of Australia, Following Initial Federal Circuit Court Judicial Review and Federal Court Appeal
Outcome
Appeal allowed
Legal Topics
Merits Review, Judicial Review, Legal Unreasonableness, Credibility Assessment, Migration Act 1958 (cth), Procedural Fairness (excluded), Protection Visas, Review by Immigration Assessment Authority
Administrative Law Immigration Law Merits Review Judicial Review Legal Unreasonableness Credibility Assessment Migration Act 1958 (cth) Procedural Fairness (excluded) +2 more

Case Brief

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Parties

ABT17

Appellant

Minister for Immigration and Border Protection

First Respondent

Immigration Assessment Authority

Second Respondent

Procedural Posture

Appeal / High Court Appeal From Federal Court of Australia, Following Initial Federal Circuit Court Judicial Review and Federal Court Appeal

Legal Issues

  1. 1 Whether it was legally unreasonable for the Immigration Assessment Authority (IAA) to depart from the delegate's assessment of the appellant's credibility without inviting the appellant to an interview to assess demeanour
  2. 2 Whether the IAA could lawfully reject the delegate's findings based on credibility/ demeanour without sufficient reason
  3. 3 Whether the appellant's demeanour constituted 'new information' within s 473DC of the Migration Act 1958 (Cth)

Ratio Decidendi

It was legally unreasonable for the IAA to depart from the delegate’s favourable credibility findings (based on the appellant’s demeanour at interview) without sufficient reason, especially given the IAA did not itself interview the appellant or have the same basis for direct assessment of credibility. The IAA’s differing assessment, made only on an audio rather than a visual observation, was not properly substantiated. The IAA could not reject the delegate's credibility findings unless those were glaringly improbable, contrary to compelling inferences, or otherwise clearly erroneous, none of which applied. Accordingly, the IAA’s error was jurisdictional, requiring its decision to be...

Court Disposition

Appeal allowed

Orders

  • The appeal is allowed.
  • Orders of Federal Court of Australia dated 16 April 2019 are set aside and replaced as follows: (a) The appeal to that Court is allowed; (b) Orders of the Federal Circuit Court of Australia dated 23 March 2018 are set aside and in lieu thereof: (i) Writs of certiorari and mandamus are issued to the IAA quashing its...