Question marks over true cost of Brexit A deal has finally been done, but the UK fashion industry is still awaiting vital answers on how it will trade in the post-Brexit era. Four and a half years after a slim majority of Britons voted to take the UK out of the European Union, the historic Brexit trade deal was finally agreed on Christmas Eve, just days before the end of the transition period on 31 December 2020. The UK-EU Trade and Co-operation Agreement (TCA), running to 1,200 pages, is unprecedented in scope, and contains provisions for UK fashion retail and textile businesses such as: