I. – For the distribution of seats on the deliberative body, the population figure to be referred to is that of the municipal population authenticated in the year preceding that of the general renewal of the municipal councils of the member municipalities in accordance with VII of Article L. 5211-6-1.
II. – Between two general renewals of municipal councils, the population figure to be referred to, for the allocation of seats on the deliberative body, is that of the municipal population authenticated on 1 January of the current year, in the following cases:
1° Creation of a public establishment of inter-municipal cooperation with its own tax status;
2° Merger of public establishments of inter-municipal cooperation, at least one of which has its own tax status;
3° Transformation of a public establishment of inter-municipal cooperation with its own tax status with extension of the perimeter;
4° Extension of the perimeter of a public establishment of inter-municipal cooperation with its own tax status by the integration of one or more communes or the modification of the territorial boundaries of a member commune.
III. – Variations in the population of the commune recorded during the term of office by authenticated censuses may not have the effect of modifying the number of seats allocated to the commune concerned for the duration of the term of office of the deliberative body.