At least one of the LAU levels shall be an administrative unit as defined in Article 3(1) and as set out in Annex III.
Beidh ceann amháin ar a laghad de leibhéil ARÁ ina aonad riaracháin mar a shainmhínítear in Airteagal 3(1) agus mar a leagtar amach in Iarscríbhinn III.