— the provisions of the system applied, and particularly the rules of origin must be such as to avoid any risk of trade deflection to the detriment of the Community resulting from the participation of those States in a customs union svith a third country.
— ní mór modhanna an chorais a chuirfear i bhfeidhm, agus go háirithe na rialacha a bhaineann le tionsenamh, a bheith ina modhanna a sheachnóidh gach baol go gclaonfar trádáil chun dochair don Chomhphobal i ngeall ar pháirtíocht na Stát sin in aontas custam le tríú tir.