3) Pogodbenice, ki so članice Evropske unije, pri svojih medsebojnih odnosih upoštevajo pravila Skupnosti in Evropske unije, če obstajajo pravila Skupnosti in Evropske unije, ki urejajo posamezno področje in se uporabljajo v konkretnem primeru ne glede na cilj in namen konvencije ter v njeno celovito uporabo z drugimi pogodbenicami.
3) Parties which are members of the European Union shall, in their mutual relations, apply Community and European Union rules in so far as there are Community or European Union rules governing the particular subject concerned and applicable to the specific case, without prejudice to the object and purpose of the present Convention and without prejudice to its full application with other Parties.