The total period during which border control is reintroduced at internal borders, including any prolongation provided for under paragraph 3 of this Article, shall not exceed six months.
Ní rachaidh an tréimhse iomlán ina n-athbhunófar rialú teorann ag teorainneacha inmheánacha lena n-áirítear aon síneadh dá bhforáiltear i mír 3 den Airteagal seo thar sé mhí.