The Article 50 ruling means Parliament must not merely rubber-stamp Brexit with a three-line bill

The High Court has ensured the government cannot trigger Brexit without parliamentary approval, write Dimitrios Giannoulopoulos, Geoffrey Nice QC, Ben Chigara, Julian Petley, Ignacio de la Rasilla and Katja Sarmiento-Mirwaldt, on behalf of the Britain in Europe think tank. If the Supreme Court upholds the ruling, MPs and peers now have a responsibility to scrutinise the government’s plans and not merely rubber-stamp a legislative act with a three-line mandate for triggering Article 50.