The agreement was signed in London on 6 December 1921, by representatives of the British government (which included Prime Minister David Lloyd George, who was head of the British delegates) and by representatives of the Irish Republic including Michael Collins and Arthur Griffith.
Kesepakatan tersebut ditandatangani di London pada 6 Desember 1921, oleh perwakilan pemerintah Britania Raya (termasuk Perdana Menteri David Lloyd George, yang merupakan kepala delegasi Britania) dan oleh perwakilan Republik Irlandia termasuk Michael Collins dan Arthur Griffith.