 In April 1920 the Allies convened at the Conference of San Remo and agreed on the British rule in Palestine, followed by the official establishment of the civil administration on 1 July 1920.From that date on Keith-Roach transferred the collected rents for property in custodianship to the actual proprietors.On June 29, 1920, the British Foreign Secretary, Lord Curzon, informed the British Upper House that Great Britain agreed in principle to their return to Palestine.