It was not submitted that a Commissioner might not
take into account, as a consideration relevant to the
exercise of such a power as s.26A confers, the opinion of
an association of members of the Australian Federal Police
concerning the policy which should guide the exercise of the
power. And I think he might, without error, do so. If he
did, that circumstance would probably not of itself resuit in
his incurring an obligation to disclose to one who was
seeking appointment under s.26A, before deciding whether to
exercise the power, that the opinion was being taken into
account, or to tell the applicant what the opinion was, or to
offer the applicant the opportunity to be heard in relation
to the opinion. But when the respository of such a
discretionary power has undertaken that its exercise shall be
foregone, and a successor considers, as I infer from the
fourth last sentence of the Commissioner's statement of the
reasons for his decision that he did consider, that he should
take into account, as a consideration relevant to the
exercise of the power, the fact that the undertaking had been
given, justice in my opinion demands that the applicant be
apprised of those circumstances and offered the opportunity