189Review by internal reviewer

189 Review by internal reviewer (1) The internal reviewer for an internally reviewable decision must review the decision. (2) The review must happen within 5 business days (the 5-day period) after the day the work health and safety commissioner receives the application for review of the internally reviewable decision. (3) The internal reviewer must— (a) confirm the decision; or (b) vary the decision; or (c) set aside the decision and substitute the reviewer’s own decision. (4) If the decision is not varied or set aside within the 5-day period, the decision is taken to have been confirmed by the internal reviewer.