HCA upheld WA COVID-19 border closure legislation as valid under s.92, finding restrictions on interstate movement were reasonably necessary and proportionate to protect public health.
constitutional
Indefinite administrative detention of a non-citizen with no real prospect of removal is unlawful as punitive and contrary to Ch III of the Australian Constitution, overruling Al-Kateb v Godwin.
HCA upheld NSW ag-gag laws as valid notwithstanding a burden on the implied freedom of political communication, applying the structured proportionality test.
High Court upheld constitutional validity of continuing detention order for convicted terrorist under Chapter III, finding preventive detention by court order consistent with judicial power.
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