Chilcot wrote a letter to David Cameron in October 2015, announcing that the text could be complete by April 2016, and furthermore proposed a release date of June or July 2016.
Chilcot menulis surat kepada David Cameron di bulan Oktober 2015, menyampaikan bahwa Laporan tersebut bisa selesai di bulan April 2016, dan diusulkan untuk dirilis pada bulan Juni atau Juli 2016.