The members of the League of advanced European Neutron Sources (LENS) held their first General Assembly and the first Executive Board meeting on 26 March 2019 in Liblice, the Czech Republic. The consortium adopted and signed Statutes detailing the purpose of LENS, guiding the work of the statutory bodies, and laying the framework for Working Groups responsible for the execution of foreseen activities. The Director of Institut Laue-Langevin (ILL) in France, Helmut Schober, was elected as LENS Chair, and the Director of the ISIS Neutron and Muon Source in the United Kingdom, Robert McGreevy, as Vice-Chair. For the Swiss spallation neutron source SINQ the head of the NUM division Christian Rüegg signed the documents. More information