Detention of minors a last resort act-s4AA โ€” as in force on 2026-06-04 โ€” C2026C00232 ยท Compilation No. 171 โ€” https://www.legislation.gov.au/C2026C00232/latest/text 4AA Detention of minors a last resort (1) The Parliament affirms as a principle that a minor shall only be detained as a measure of last resort. (2) For the purposes of subsection (1), the reference to a minor being detained does not include a reference to a minor residing at a place in accordance with a residence determination.