Theresa May to trigger article 50 on 29 March Theresa May will trigger article 50, the formal mechanism for starting negotiations for Britain to leave the European Union, on Wednesday 29 March, the prime minister’s spokesman has confirmed. The UK’s permanent representative to the European Union, Sir Tim Barrow, notified the EU on Monday morning that a letter should be expected on that date. The move will put the UK on course to leave the EU on the same date…