To ensure that the identification of invasive alien species of Union concern remains proportionate, the Union list should be established and updated gradually and be focused on species whose inclusion on the Union list would effectively prevent, minimise or mitigate the adverse impact of those species in a cost efficient manner.
Chun a áirithiú go bhfanfaidh sainaithint na speiceas coimhthíoch ionrach is ábhar imní don Aontas comhréireach, ba cheart liosta an Aontais a bhunú agus a nuashonrú go céimnitheach, de réir a chéile agus a bheith dírithe ar speicis a dhéanfadh iad a áirithiú ar liosta an Aontais tionchar diúltach na speiceas sin a chosc, a laghdú nó a mhaolú ar bhealach costéifeachtach.