**1. The electoral system and constituencies are specified by statute which shall be applicable as of the elections after the immediately following ones, unless an explicit provision, adopted by a majority of two thirds of the total number of Members of Parliament, provides for its immediate application as of the immediately following elections.
**2. The number of Members of Parliament elected in each constituency is specified by presidential decree on the basis of the legal population thereof, deriving, according to the latest census, from the persons registered in the relevant municipal rolls, as specified by law. The results of the census are considered to have been published on the basis of the data of the competent service, after one year has elapsed from the last day on which the census was conducted.
3. Part of the Parliament, comprising not more than the one twentieth of the total number of its members, may be elected throughout the Country at large in proportion to the total 65 electoral strength of each party throughout the Country, as specified by law.