From the commencement, a person can not start an appeal against any of the following decisions made by the industrial commission before the commencement—
(a) a decision to make an order under former section 21 ;
(b) a decision to refuse to make an order under former section 21 , other than an order that, if it had been made, would have prescribed the following trading hours for prescribed s 16D shops for Sundays and public holidays (other than closed days)—(i) opening time—9a.m.;(ii) closing time—6p.m.