CB and Australian Crime Commission and Commonwealth of Australia

The applicant, CB, sought judicial review of a decision by the Australian Crime Commission (ACC) to refuse to disclose certain information to CB. The ACC, a respondent, along with the Commonwealth of Australia, also a respondent, had declined to provide the information on the grounds that it was contained within a "controlled document" and disclosure would be contrary to the public interest. The matter came before Bell J of the Federal Court of Australia.

The central legal issue before the Court was whether the ACC's decision to refuse disclosure of the controlled document was lawful. This involved determining whether the ACC had properly exercised its discretion under the relevant legislative provisions, specifically considering the balance between the applicant's right to access information and the public interest considerations relied upon by the ACC. The Court was required to assess the adequacy of the reasons provided by the ACC for its refusal and whether those reasons were based on relevant considerations.

Bell J found that the ACC had failed to provide adequate reasons for its decision to refuse disclosure. The Court held that the ACC's reliance on a general assertion of public interest, without a more specific and detailed explanation of how disclosure would be contrary to that interest, was insufficient. The Court emphasised that a decision-maker exercising a discretion must provide reasons that enable the applicant to understand the basis of the decision and to identify any grounds for challenging it. Consequently, the Court quashed the ACC's decision.