Where a Member State decides, as a last resort, on the temporary reintroduction of border control at one or more of its internal borders or at parts thereof, or decides to prolong such reintroduction, in accordance with Article 25 or Article 28(1), it shall assess the extent to which such a measure is likely to adequately remedy the threat to public policy or internal security, and shall assess the proportionality of the measure in relation to that threat.
I gcás ina gcinneann Ballstát mar rogha dheiridh, rialú teorann a athbhunú go sealadach ag teorainn inmheánach amháin nó níos mó dá chuid nó ag codanna dá theorainneacha inmheánacha, nó má chinneann sé athbhunú den sórt sin a shíneadh, i gcomhréir le hAirteagal 25 nó le hAirteagal 28(1), déanfaidh sé measúnú ar a mhéid is dóigh a réiteoidh an beart sin an baol do bheartas poiblí nó do shlándáil inmheánach ar bhealach leordhóthanach, agus déanfaidh sé measúnú ar chomhréireacht an bhirt i ndáil leis an mbaol sin.