order passed by an employer acting or purporting to act under the standing orders; (ii)the application and interpretation of standing order; (iii) any change made by an employer or desired by an employee in respect of an industrial matter specified in Schedule III except item (5) thereof and matters arising out of such change; (b) industrial disputes (i) referred to it under section 71 or 72; (ii) in respect of which it is appointed as an arbitrator by a submission; 737 .lm15 (c)whether a strike, lock out, closure, stoppage or any change is illegal under this Act; B. try offenses punishable under this Act where the payment of compensation on conviction for an offence is provided for, determine the compensation and order it, ; payment; C. require any employer to (a) withdraw any change which is held by it to be illegal, or withdraw temporarily any change the legality of which is a matter of issue in any proceeding pending final decision, or (b) carry out any change provided such change is a matter in issue in any proceeding before it under this Act.