Under Ed Miliband's leadership between 2010 and 2015, the Labour Party ruled out an in-out referendum unless and until a further transfer of powers from the UK to the EU were to be proposed.
Di bawah kepemimpinan Ed Miliband tahun 2010 hingga 2015, Partai Buruh tidak menyetujui referendum keanggotaan kecuali ada perpindahan kekuasaan lebih lanjut dari Britania Raya ke Uni Eropa.