A Member State may take measures as referred to in Article 257(1) in the event of an outbreak in a third country or territory bordering the Union of a disease referred to in point (a) of Article 9(1) or an emerging disease in such a third country or territory, in so far as those measures are necessary in order to prevent the spread of the disease into the territory of the Union.
Féadfaidh Ballstát dul i mbun bearta, amhail dá dtagraítear in Airteagal 257(1), i gcás ráige galair dá dtagraítear i bpointe (a) d'Airteagal 9(1) nó galair atá ag teacht chun cinn, i dtríú tír nó críoch a bhfuil teorainn acu leis an Aontas, a mhéid a bheidh na bearta sin riachtanach chun bac a chur ar leathnú an ghalair isteach i gcríoch an Aontais.