16. The Minister may, after consultation with the Data Protection Commission and with the consent of the body concerned, designate in writing a body (other than the Garda Síochána) as a relevant body for the purposes of this Part if he or she is satisfied that—

(a) the disclosure of relevant data to the Garda Síochána by the body is necessary and proportionate for the purposes of—

(i) the prevention, investigation, detection or prosecution of criminal offences,

(ii) safeguarding against, and the prevention of, threats to public security, including securing public order and public safety, or

(iii) the protection of the security of the State,

and

(b) the body has in place systems to provide adequate safeguarding of relevant data in order to prevent unauthorised access, alteration, disclosure or erasure of that data.