In order to allow efforts for the control of Union quarantine pests to concentrate on those pests whose potential economic, environmental or social impact is the most severe for the Union territory a restricted list of such pests (‘priority pests’) should be established.
D'fhonn go bhféadfar, sna hiarrachtaí maidir le rialú lotnaidí coraintín de chuid an Aontais, díriú ar na lotnaidí sin a d'fhéadfadh an tionchar eacnamaíoch, comhshaoil nó sóisialta is déine a bheith acu ar chríoch an Aontais, ba cheart liosta srianta de lotnaidí den sórt sin, (“lotnaidí tosaíochta”), a bhunú.