In addition internal and external experts exchanged information on specific topics. This process also involved mutual plant visits. In parallel with the due diligence, the first concrete contract negotiations took place with Tata. At the same time there were discussions in a working group with the employee representatives.The employee representatives agreed on a joint negotiation result on December 21, 2017. IG Metall announced on February 5, 2018 that its members at all German steel sites had voted in favor of this result. The collective agreement will be signed in the next step and come into force with the closing, i.e. at the start of the joint venture.