Western Australian Consolidated Acts A certificate
purporting to be signed by the Commissioner of Police or his delegate and
stating that the person named in that certificate was, at the time or during
the period specified in that certificate —
(a) a
police officer acting as an undercover officer under section 35; and
(b)
authorised to do anything stated in the certificate,
is, without proof of
any appointment, delegation, or signature, evidence of the facts stated in the
certificate.