Intervention by Attorney-General act-s486AA โ€” as in force on 2026-06-04 โ€” C2026C00232 ยท Compilation No. 171 โ€” https://www.legislation.gov.au/C2026C00232/latest/text 486AA Intervention by Attorney-General (1) The Attorney-General may, on behalf of the Commonwealth, intervene in a proceeding resulting from an application referred to in subsection 486A(1). (2) If the Attorney-General intervenes in such a proceeding, the High Court may make such orders as to costs against the Commonwealth as the court thinks fit. (3) If the Attorney-General intervenes in such a proceeding, he or she is taken to be a party to the proceeding.