(1) In section 536E(1) of the Principal Act—
(a) after paragraph (a) insert —
"(ab) an Arbitration Officer; or";
(b) in paragraph (b), for "Senior Conciliation" substitute "Chief Executive".
(2) In section 536E(2) of the Principal Act—
(a) after "Officer" (where first occurring) insert "or Arbitration Officer (as the case requires)";
(b) for "Senior Conciliation" substitute "Chief Executive".