(1) For the purposes of an investigation into whether a person has engaged in criminal conduct or criminal proceedings in relation thereto, a member of the Garda Síochána may apply for an order under subsection (3) of this section in relation to any particular material or material of a particular description to a judge of the District Court for the district where the material is situated.

(2) On such an application the judge may make an order under subsection (3) of this section, if satisfied -

(a) that there are reasonable grounds for suspecting that the person has engaged in criminal conduct,

(b) that the material concerned is likely to be of substantial value (whether by itself or together with other material) for the purposes of such investigation or proceedings, and

(c) that there are reasonable grounds for believing that material should be produced or that access to it should be given, having regard to the benefit likely to accrue to the investigation or proceedings and any other relevant circumstances.

(3) An order under this subsection -