The principles set out in this Article are based on Article 152 of the EC Treaty, now replaced by Article III-278 of the Constitution, and on Articles 11 and 13 of the European Social Charter.
Tarraingíonn mír 3 ar Airteagal 13 de Chairt Shóisialta na hEorpa agus ar Airteagail 30 agus 31 den Chairt Shóisialta athbhreithnithe agus ar phointe 10 den Chairt Chomhphobail.