Article 3 5.

(a)

an establishment that enters into operation or is constructed, on or after 1 June 2015; or

(b)

a site of operation that falls within the scope of this Directive, or a lower-tier establishment that becomes an upper-tier establishment or vice versa, on or after 1 June 2015 due to modifications to its installations or activities resulting in a change in its inventory of dangerous substances;