Article 3(1) of Regulation (EC) No 1/2003 obliges NCAs and national courts to apply Articles 101 and 102 TFEU to agreements, to decisions by associations of undertakings, to concerted practices or to the abuse of a dominant position which are capable of affecting trade between Member States.
Le hAirteagal 3(1) de Rialachán (CE) Uimh. 1/2003, ceanglaítear ar na ÚINanna agus ar na cúirteanna náisiúnta Airteagail 101 agus 102 CFAE a chur i bhfeidhm ar chomhaontuithe ar iompraíocht a d'fhéadfadh difear a dhéanamh don trádáil idir na Ballstáit.