Article 1 of the Treaty on European Union refers to decisions in the Union being taken “as openly as possible”, while Article 255 of the EC Treaty provides for a right of access to European Parliament, Council, and Commission documents.
Tagraíonn Airteagal 1 de Chonradh an Aontais Eorpaigh do chinntí a dhéantar san Aontas mar chinntí atá “chomh hoscailte agus is féidir”, agus déanann Airteagal 255 de Chonradh an AE foráil do cheart rochtana ar cháipéisí Pharlaimint, Chomhairle agus Choimisiún na hEorpa.