Article 10(4) of the Treaty on European Union (TEU) and Article 12(2) of the Charter of Fundamental Rights of the European Union (the Charter) state that political parties at European level contribute to forming European political awareness and to expressing the political will of citizens of the Union.
In Airteagal 10(4) den Chonradh ar an Aontas Eorpach (CAE) agus in Airteagal 12(2) de Chairt um Chearta Bunúsacha an Aontais Eorpaigh (an Chairt) dearbhaítear go rannchuidíonn páirtithe polaitiúla ar an leibhéal Eorpach le feasacht pholaitiúil Eorpach a fhoirmiú agus le toil pholaitiúil shaoránaigh an Aontais a cur in iúl.