The European Communities shall be founded on the Treaties establish ing the European Coal and Steel Community, the European Economic Community, the European Atomic Energy Community and on the sub sequent Treaties and Acts modifying or supplementing them.
Beidh na Comhphobail Eorpacha bunaithe ar na Conarthaí ag bunú an Chomhphobail Eorpaigh do Ghual agus Chruach, Chomhphobal Eacnamaíochta na hEorpa agus an Chomhphobail Eorpaigh do Fhuinneamh Adamhach agus ar na Conarthaí agus na hionstraimí iardain á modhnú nó á bhforlíonadh.