- An employer or Trade Union or the negotiating union or negotiating council, or where there is no negotiating union or negotiating council in an industrial establishment or undertaking, any union or such representative body of the workers of the industrial establishment or undertaking, if not satisfied with the order of the certifying officer given under sub-section (5) of section 30, may file an appeal within sixty days of receipt of the order of the certifying officer to the appellate authority appointed by the appropriate Government, by notification, and such authority shall dispose of the appeal in such manner as may be prescribed.