 This agreement was written into Article 142 of the constitution.Article 142 of the constitution states that the Council of Representatives shall form a committee from its members "representing the principal components of the Iraqi society", which should present proposed amendments to the Council within four months.The amendment package shall be voted on as a whole by the Council, and if it is passed, put to a referendum, which shall pass if approved by a majority of voters and is not rejected by a two-thirds majority in three or more governorates.