In contrast to the Labour Party's position prior to the 2015 general election under Miliband, acting Labour leader Harriet Harman committed her party to supporting plans for an EU referendum by 2017.
Berbeda dengan posisi Partai Buruh pra-pemilu 2015 di bawah Miliband, ketua pelaksana Partai Buruh Harriet Harman menyatakan bahwa partainya mendukung rencana referendum UE tahun 2017.