21. Review by heads of decisions under Chapters 1 and 2
(1) This section applies to a decision made pursuant to this Act by a person to whom the function concerned stood delegated at the time of the making of the decision, being -
(a) a decision to refuse to grant an FOI request, whether wholly or in part, (other than a request to which section 38 applies) (a "request") in relation to the record concerned,
(b) a decision under section 9 to refuse to amend a record,
(c) a decision under section 10 in relation to the contents of a statement furnished under subsection (1) of that section or to refuse an application under that subsection,
(d) a decision under section 16 to defer the offering of access to a record falling within paragraph (a) of subsection (1) of that section,
(e) a decision under section 17 to grant a request by giving access to the record concerned in a form other than that specified in the request,