The scope and duration of any temporary reintroduction of such measures should be restricted to the bare minimum needed to respond to a serious threat to public policy or internal security.
I gcás ina n-athbhunófaí bearta den sórt sin go sealadach, ba cheart nár mhó a raon feidhme agus a ré ná an leibhéal is íosta a mbeadh gá leis chun freagairt do bhagairt thromchúiseach do bheartas poiblí nó don tslándáil inmheánach.