Whereas it is an essential feature of the legal order introduced by the Treaties establishing the European Communities that certain of their provisions and certain acts adopted by the institutions are directly applicable, that Community law takes precedence over any national provisions which might conflict with it, and that procedures exist for ensuring the uniform interpretation of Community law; whereas accession to the European Union implies recognition of the binding nature of these rules, observance of which is indispensable to guarantee the effectiveness and unity of Community law;
De bhrí, go háirithe, gurb é sainghné an oird dlí dá bhforáiltear sna Conarthaí ag bunú na gComhphobal Eorpach go bhfuil forálacha áirithe sna Conarthaí sin agus gníomhartha áirithe a ghlac na hinstitiúidí infheidhme go díreach, go bhfuil tosaíocht ag dlí na gComhphobal ar fhorálacha náisiúnta a bheadh contrártha dó, agus go bhfuil nósanna imeachta ann chun a áirithiú go léireofar dlí na gComhphobal ar an gcuma chéanna i ngach Ballstát; de bhrí go mbeireann aontachas leis an Aontas Eorpach an t-aitheantas go bhfuil bri cheangailteach ag na rialacha sin, a ndlitear urraim a thabhairt dóibh chun éifeacht agus aontacht dhlí na gComhphobal a áirithiú;