In such a situation the Member States concerned shall agree on the necessary ad hoc measures and the Member State requesting solidarity shall provide an undertaking in accordance with point (d) of paragraph 3.
I staid den sórt sin, tiocfaidh na Ballstáit lena mbaineann ar chomhaontú maidir leis na bearta ad hoc is gá agus déanfaidh an Ballstát a iarrann an dlúthpháirtíocht gealltanas a thabhairt i gcomhréir le pointe (d) de mhír 3.