Case C-592/18: Judgment of the Court (Ninth Chamber) of 19 December 2019 (request for a preliminary ruling from the College van Beroep voor het bedrijfsleven — Netherlands) — Darie BV v Staatssecretaris van Infrastructuur en Milieu (Reference for a preliminary ruling — Regulation (EU) No 528/2012 — Article 3(1)(a) and (c) — Concept of ‘biocidal product’ — Concept of ‘active substance’ — Bacterial product containing the bacterial species Bacillus ferment — Mode of action other than mere physical or mechanical action — Indirect action — Period within which effect takes place)