NZYQ v. Minister for Immigration, Citizenship and Multicultural Affairs & Anor

Catchwords

Constitutional law (Cth) – Judicial power of the Commonwealth – Unlawful non-citizen in immigration detention – No real prospect of removal from Australia in reasonably foreseeable future – Whether provision for indefinite detention without judicial order infringes Chapter III of the Constitution – Whether detention involves an exercise of judicial power of the Commonwealth by the Executive – Whether detention is for a non-punitive purpose – Whether Court should overrule or distinguish Al-Kateb v Godwin (2004) 219 CLR 562.

Immigration – Unlawful non-citizens – Detention pending removal from Australia – No real prospect of removal from Australia in reasonably foreseeable future – Whether detention lawful under Migration Act 1958 (Cth) – Whether detention is temporally limited by purpose of removal – Whether requirement to remove as soon as reasonably practicable implies time limit on detention – Whether position considered in Al-Kateb altered since decision in Commonwealth v AJL20 (2021) 273 CLR 43 because of introduction of s 197C(3) of Migration Act.

Statutes – Acts of Parliament – Construction and interpretation – Presumption of legislative intention not to invade personal common law rights.