Upon taking up its duties, the single Assembly referred to in Article 1 shall take the place of the Common Assembly provided for in Article 21 of the Treaty establishing the European Coal and Steel Community.
Ar dhul i mbun a dhualgas dó, gabhfaidh an Tionól aonair dá dtagraítear in Airteagal 1 ionad an Chomh-Thionóil dá bhforáiltear in Airteagal 21 den Chonradh ag bunú an Chomhphobail Eorpaigh do Ghual agus Cruach.