For section 86Z of the Police Regulation Act 1958 substitute —
(1) The Director must take all reasonable steps to return a document or thing seized under a warrant to the person from whom it was seized—
(a) if the thing is required as evidence relating to a prosecution or an appeal from a prosecution; or
(b) immediately the Director stops being satisfied that its retention is necessary for the purposes of—
(i) an investigation under this Part; or
(ii) a report on an investigation under this Part.".