existing establishment
as defined in Directive 2012/18/EU of the European Parliament and of the Council of 4 July…, Article 3, point (6) (Definitions)
an establishment that on 31 May 2015 falls within the scope of Directive 96/82/EC and from 1 June 2015 falls within the scope of this Directive without changing its classification as a lower-tier establishment or upper-tier establishment