Conclusive certificates act-s339 — as in force on 2026-06-04 — C2026C00232 · Compilation No. 171 — https://www.legislation.gov.au/C2026C00232/latest/text 339 Conclusive certificates The Minister may issue a conclusive certificate in relation to a decision if the Minister believes that: (a) it would be contrary to the national interest to change the decision; or (b) it would be contrary to the national interest for the decision to be reviewed. Note: If the Minister issues a conclusive certificate in relation to a decision, the decision is not a reviewable migration decision (see paragraph 338(1)(a)) or a reviewable protection decision (see paragraph 338A(2)(a)). Division 2—ART review