Measures that could affect trade between Member States are measures that could have an influence, direct or indirect, actual or potential, on the pattern of trade between Member States in a manner which might create a barrier to the internal market.
Maidir le bearta a d'fhéadfadh difear a dhéanamh don trádáil idir na Ballstáit, is bearta iad a d'fhéadfadh tionchar iarbhír nó féideartha a imirt, go díreach nó go hindíreach, ar phatrún na trádála idir na Ballstáit ar bhealach a d'fhéadfadh bacainn a chur ar an margadh inmheánch.