Joined Cases C-613/17 and C-613/17: Judgment of the Court (Second Chamber) of 11 September 2019 (request for a preliminary ruling from the Corte dei Conti, Italy) — Federazione Italiana Golf (FIG) v Istituto Nazionale di Statistica — ISTAT, Ministero dell'Economia e delle Finanze (C-612/17), Federazione Italiana Sport Equestri (FISE) v Istituto Nazionale di Statistica (ISTAT) (C-613/17) (Reference for a preliminary ruling – Regulation (EU) No 549/2013 – European System of national and regional accounts in the European Union – Annex A, paragraph 20.15 – Control exercised by a National Olympic Committee over national sporting federations constituted in the form of non-profit institutions (NPIs) – Annex A, Paragraph 20.15, second sentence – Concept of ‘public intervention in the form of general regulations applicable to all units working in the same activity’ – Scope – Annex A, paragraph 20.15, first sentence – Concept of ‘ability to determine the general policy or programme’ of an NPI – Scope – Annex A, paragraph 2.39(d), paragraph 20.15(d), and paragraph 20.309(i), last sentence – Taking into account of contributions paid by members to the NPI)