I may have got this wrong. Looking at European Union Withdrawal Act it seems that @theresa_may could keep the current talks with EU going well passed 21 Jan, perhaps right up to Brexit day 29 March, and avoid any parliamentary Brexit vote. @YvetteCooperMP understandably concerned https://t.co/1kgnGmXBxJ

— Robert Peston (@Peston) December 10, 2018