If the serious threat to public policy or internal security in the Member State concerned persists beyond the period provided for in paragraph 1 of this Article, that Member State may prolong border control at its internal borders, taking account of the criteria referred to in Article 26 and in accordance with Article 27, on the same grounds as those referred to in paragraph 1 of this Article and, taking into account any new elements, for renewable periods of up to 30 days.
Más ann fós, tar éis na tréimhse dá bhforáiltear i mír 1 den Airteagal seo, don bhaol tromchúiseach do bheartas poiblí nó do shlándáil inmheánach sa Bhallstát lena mbaineann, féadfaidh an Ballstát sin rialú teorann ag a theorainneacha inmheánacha a shíneadh, agus na critéir dá dtagraítear in Airteagal 26 á gcur san áireamh agus i gcomhréir le hAirteagal 27, ar bhonn na bhforas céanna dá dtagraítear i mír 1 den Airteagal seo agus, ag cur aon ghné nua san áireamh, ar feadh tréimhsí in-athnuaite 30 lá ar a mhéid.