(1) In this part—
reviewable decision means any of the following decisions, whether made before or after the commencement of this section—
(a) a decision, under the Child Protection Act, section 87(2), by the chief executive (child safety) not to take action under that subsection;
(b) a decision by the chief executive (child safety) to take, or not to take, a step under the Child Protection Act, section 122 for the purpose of ensuring a child placed in care under section 82 of that Act is cared for in a way that meets the statement of standards under section 122 of that Act;
(c) a reviewable child protection decision.
(2) For paragraph (b) of the definition reviewable decision in subsection (1), a failure by the chief executive (child safety) to decide to take a step for the purpose mentioned in that paragraph is taken to be a decision not to take the step.
(3) Subsection (4) applies if, in the course of the public guardian seeking to have a reviewable decision resolved to the public guardian's satisfaction—
(a) the chief executive (child safety) amends, or substitutes another reviewable decision for, the first reviewable decision and the amended reviewable decision or substituted reviewable decision does not resolve the matter to the public guardian's satisfaction; or
(b) in relation to a failure to take action or to decide to take a step as mentioned in subsection (2)—the chief executive (child safety) actually makes a reviewable decision and the reviewable decision does not resolve the matter to the public guardian's satisfaction.
(4) For section 133, the amended or substituted reviewable decision, or the reviewable decision actually made, becomes the reviewable decision.