He said that if the petition was "shorn of its rhetoric and extraneous and irrelevant material and reduced, after adjustment, to a manageable size", then "a case of substance - albeit not necessarily one which is likely to succeed - can be discovered". The group is ultimately seeking a definitive ruling from the European Court of Justice (CJEU) on whether the withdrawal process triggered under Article 50 of theTreaty on European Union can be revoked by the UK on its own, without first securing the consent of the other 27 EU member states. EDINBURGH, March 20 (Reuters) - - Scotland's top court gave a favourable ruling on Tuesday to a legal case brought by anti-Brexit campaigners seeking to obtain a court opinion that Britain could unilaterally reverse Brexit if it wanted to. Earlier this year, Lord Doherty of the court's Outer House threw out the petition, calling it "hypothetical and academic", but appeal judges ruled on Tuesday that he had "erred" and the case should indeed be considered at the Court of Session. "The issue of whether it is legally possible to revoke the notice of withdrawal is, as already stated, one of great importance," the Court of Session said, referring to the Article 50 process which started in March 2017. • Look back on the debate and vote on Holyrood Live

The UK Withdrawal from the European Union (Legal Continuity) (Scotland) Bill was put forward as an emergency stop-gap measure after Scottish ministers warned they may not put forward the Westminster EU Withdrawal Bill for a consent vote at Holyrood.
The Court of Session allows an appeal by a cross-party group of Scottish politicians seeking court permission for a referral to the European Court of Justice. The group wish for a ruling that the UK can abandon Brexit without permission from the European Union's other member states. A lower court will examine the claim.