18. (1) The Commissioner shall be paid such remuneration and allowances as are prescribed.
(2) Subsection (1) does not apply to—
(a) remuneration if there is a subsisting determination relating to the remuneration to be paid to the Commissioner; or
(b) an allowance of a particular kind if there is a subsisting determination relating to an allowance of that kind to be paid to the Commissioner.
(3) In subsection (2)—