As the constituencies are listed in the Annex of a cardinal law, a majority of two thirds is required for each change. The Venice Commission and ODIHR had recommended in their 2012 and 2021 Opinions^[16] not to provide for such a rigid regulation, which makes the necessary adaptation of the delimitation of constituencies to demographic evolution, for ensuring equal voting powers, dependent on a political decision. This concern proved justified, since the necessary albeit limited redrawing imposed by national law due to a deviation from the average number of inhabitants among constituencies of over 20 per cent was not adopted before the previous elections, as required by the law.^[17]