Criminal Investigation (Covert Powers) Act 2012

A chief officer of a law enforcement agency may sign a certificate stating any of the following —

that, for the purposes of section 101(1)(a), a witness identity protection certificate for an operative in relation to a proceeding has not been cancelled under section 99;

whether, for the purposes of section 101(1)(b)(iii), the conduct that is the subject of the offence was permitted under section 100.

In any proceedings, a certificate given under this section is sufficient evidence, in the absence of evidence to the contrary, of the matters certified in it.