It should only be possible to fix fishing opportunities to the upper limit if, on the basis of scientific advice or evidence, it is necessary for the achievement of the objectives laid down in this Regulation in mixed fisheries or necessary to avoid harm to a stock caused by intra- or inter-species stock dynamics, or in order to limit the year-to-year variations in fishing opportunities.
Níor cheart é a bheith indéanta deiseanna iascaireachta a shocrú le bheith teoranta leis an uasteorainn ach amháin más rud é, ar bhonn comhairle eolaíche nó fianaise eolaíche, gur gá sin chun na cuspóirí a leagtar síos sa Rialachán seo in iascach measctha a bhaint amach nó más gá chun díobháil a dhéantar do stoc de bharr dinimic stoic laistigh den speiceas céanna nó idir-speiceas a sheachaint, nó chun éagsúlachtaí bliain go bliain i ndeiseanna iascaireachta a theorannú.