Case C-420/18: Judgment of the Court (Second Chamber) of 13 June 2019 (request for a preliminary ruling from the Gerechtshof ’s-Hertogenbosch — Netherlands) — IO v Inspecteur van de rijksbelastingdienst (Request for a preliminary ruling — Value added tax (VAT) — Directive 2006/112/EC — Articles 9 and 10 — Taxable person — Economic activity carried out ‘independently’ — Definition — Activity as a member of the Supervisory Board of a foundation)