(1) In any proceedings
under this Part, a court—
(a)
must, on the application of the Commissioner, take steps to maintain the
confidentiality of information classified by the Commissioner as criminal
intelligence, including steps to receive evidence and hear argument about the
information in private in the absence of the parties to the proceedings and
their representatives; and
(b) may
take evidence consisting of or relating to information so classified by
the Commissioner by way of affidavit of a senior police officer.
(2) The Commissioner
may not delegate the function of classifying information as
criminal intelligence for the purposes of this Act except to a Deputy
Commissioner or Assistant Commissioner of Police.