(1) The Commissioner:
(a) must, by notifiable instrument, formulate a scheme (the internal review scheme ) for and in relation to the review by the Commissioner of decisions of a kind referred to in section 220; and
(b) may, by notifiable instrument, vary the internal review scheme.
(2) The internal review scheme may empower the Commissioner to:
(a) on application, review such a decision; and
(b) affirm, vary or revoke the decision concerned.
(3) The internal review scheme may provide that the Commissioner's decision on review of a decision has effect as if it had been made under the provision under which the original decision was made.
(4) Subsections (2) and (3) do not limit subsection (1).
(5) The Commissioner must publish the internal review scheme on the Commissioner's website.