580. Effect of an order of court on a challenge or appeal of an award.

Where the court1 makes an order with respect to an award on an application to challenge an award on the grounds of lack of substantive jurisdiction or serious irregularity or an appeal on a question of law2, and the award is varied, the variation has effect as part of the arbitral tribunal's award3. Where the award is remitted to the tribunal, in whole or in part, for reconsideration, the tribunal must make a fresh award in respect of the matters remitted within three months of the date of the order for remission or such longer or shorter period as