Case C-111/16: Judgment of the Court (Third Chamber) of 13 September 2017 (request for a preliminary ruling from the Tribunale di Udine — Italy) — Criminal proceedings against Giorgio Fidenato, Leandro Taboga, Luciano Taboga (Reference for a preliminary ruling — Agriculture — Genetically modified food and feed — Emergency measures — National measure seeking to prohibit the cultivation of genetically modified maize MON 810 — Maintenance or renewal of the measure — Regulation (EC) No 1829/2003 — Article 34 — Regulation (EC) No 178/2002 — Articles 53 and 54 — Conditions of application — Precautionary principle)