(1) A decision under subsection 203(4) or paragraph 205(1)(b) (the review decision ) to vary a decision or to set aside a decision and substitute a new decision comes into force on the day that would give full effect to the review decision.
(2) However, a decision comes into force immediately on the giving of the decision if it is a decision under subsection 203(4) or paragraph 205(1)(b) to:
(a) vary an employer determination decision or an employer funding amount decision; or
(b) set aside an employer determination decision or an employer funding amount decision and substitute a new decision.