FILE PHOTO: BDI president Dieter Kempf addresses a news conference before the German Industry Day, hosted by the BDI industry association, in Berlin, Germany, June 20, 2017. REUTERS/Hannibal Hanschke

BERLIN (Reuters) - There must be a breakthrough on getting a Brexit deal in the coming weeks to ensure a transition period that would give firms legal certainty until the end of 2020, Germany’s BDI industry association said on Tuesday.

“Even this amount of time will hardly suffice to negotiate a free trade agreement as the United Kingdom envisages,” BDI President Dieter Kempf said.