To remove any doubt, it is declared that the following decisions in relation to an access application are not reviewable decisions for internal review—
(a) a decision on an internal review application;
(b) a decision by an agency's principal officer personally;
(c) a decision by a Minister personally;
(d) a decision by a healthcare professional appointed under section 30 or 31;
(e) a decision about the amount of a charge stated in a charges estimate notice.