The result of these referendums was a large majority in both parts of Ireland in favour of the agreement. In the Republic, 56% of voters, 94% of the vote, voted in favour of revising the Constitution. In Northern Ireland, turnout was 81% and 71% of the vote was in favour of the agreement. The Good Friday Agreement, also known as the Belfast Agreement, was signed on Good Friday, 10 April 1998. It consists of two closely related agreements, the Anglo-Irish Agreement and the Multiparty Agreement. It led to the establishment of a de decentralised system of government in Northern Ireland and the creation of many new institutions such as the Northern Ireland Assembly and Executive, the North South Ministerial Council and the British-Irish Council. The deal was yet to be put to referendums in Northern Ireland and the Republic, and political leaders who had supported the deal spent the following months convincing voters to support it. Paisley`s DUP said his party wanted a 40% “no” vote in the North, which would mean it would not have won the majority support of the unionists. On the Republican side, the dissidents have divested themselves of the Provisional IRA to form the Real IRA.
RTÉ`s television reports that evening showed scenes of cheering – when players from all sides realized that they might finally have reached an agreement that would ensure fragile peace. London`s direct domination ended in Northern Ireland when power officially ceded power to the new Northern Ireland Assembly, the North-South Council of Ministers and the Anglo-Irish Council, when the first regulations of the Anglo-Irish Agreement were adopted on 2 December The Commission took effect on 1 December 1999.    In accordance with Article 4(2) of the Anglo-Irish Agreement (Agreement between the British and Irish Governments for the implementation of the Belfast Agreement), the two governments must inform each other in writing of compliance with the conditions for the entry into force of the Anglo-Irish Agreement. entry into force should take place upon receipt of those two notifications.  The British government agreed to participate in a televised ceremony at Iveagh House in Dublin, the Irish Foreign Office. Peter Mandelson, Secretary of State for Northern Ireland, took part very early on 2 December 1999. He spoke with David Andrews, the Irish Foreign Secretary. Shortly after the ceremony, at 10.30am, the Taoiseach, Bertie Ahern, signed the declaration of formal amendment to Articles 2 and 3 of the Irish Constitution. He then announced to Dáil the entry into force of the Anglo-Irish Agreement (including certain supplementary agreements to the Belfast Agreement).   Brooke also tried to get the constitutional parties in Northern Ireland to talk to each other.
He proposed that the discussions between the parties should cover three aspects: the first to deal with relations within Northern Ireland; the second deals with relations between the two parts of Ireland; and the third deals with the links between the British and Irish governments. Discussions began in April 1991, but soon became part of procedural differences. But the bold format should be at the center of the Good Friday agreement. Mitchell presented a draft document to the parties and representatives of the Dublin and London governments on Monday 6 April. .