(1) In this Part-

"criminal investigation" means an investigation of any criminal conduct, including an investigation of alleged or suspected criminal conduct and an investigation of whether criminal conduct has taken place;

"information" includes- (a) documents; and (b) in relation to a disclosure authorised by a provision to which section 17 applies, anything that falls to be treated as information for the purposes of that provision;

"public authority" has the same meaning as in section 6 of the Human Rights Act 1998 (c. 42); and

"subordinate legislation" has the same meaning as in the Interpretation Act 1978 (c. 30).