Article 3

1 The instrument of establishment of the association or consortium, the articles of association and any alterations thereto shall be subject to approval by the higher authorities of all the local authorities participating. The same shall apply to admission to an already existing association or consortium.

2 The population concerned shall be notified of such instruments and the approval thereof, in accordance with each country's normal publicity arrangements. The same shall apply to any change in official headquarters and to any decisions regarding the persons authorised to act on behalf of the association or consortium and the limits of their powers.

3 The above instruments shall be drawn up in the official languages in use in each of the States where they are to have effect. Each such version of the text shall be authentic.