Brexit will overshadow the development of fisheries legislation for the next decade. The UK Government had developed no plan in the event of a “leave” vote for June’s advisory referendum and the months since the vote have been mired in politics and process as the Government and political parties attempt to formulate a strategy both within the UK and externally. The politics is beyond the scope of this article, but the legal process is of fundamental importance and will set the parameters for any political settlement. Nothing exemplifies this better than the case of R (ex parte Miller and another) v Secretary of State for Exiting the European Union. The Government had planned on using prerogative powers to trigger article 50 of the Treaty...