cross-border cooperation between adjacent regions to promote integrated regional development between neighbouring land and maritime border regions in two or more Member States or between neighbouring border regions in at least one Member State and one third country on external borders of the Union other than those covered by programmes under the external financial instruments of the Union;
comhar trasteorann idir réigiúin chóngaracha chun forbairt réigiúnach chomhtháite a chur chun cinn idir réigiúin teorann chomharsanacha talún agus mhuirí in dhá Bhallstát nó níos mó nó idir réigiúin teorann chomharsanacha atá, ar a laghad, i mBallstát amháin agus i dtríú tír amháin ar theorainneacha seachtracha an Aontais seachas iad siúd a chuimsítear ag cláir faoi ionstraimí seachtracha airgeadais an Aontais;