Case C-716/18: Judgment of the Court (Fifth Chamber) of 9 July 2020 (request for a preliminary ruling from the Curtea de Apel Timişoara — Romania) — CT v Administraţia Judeţeană a Finanţelor Publice Caraş-Severin — Serviciul Inspecţie Persoane Fizice, Direcţia Generală Regională a Finanţelor Publice Timişoara — Serviciul Soluţionare Contestaţii 1 (Reference for a preliminary ruling — Taxation — Common system of value added tax (VAT) — Directive 2006/112/EC — Point 4 of the first paragraph of Article 288 — Special scheme for small enterprises — Method of calculating annual turnover which serves as a reference for the application of the special scheme for small enterprises — Concept of ‘ancillary real estate transaction’ — Letting of immovable property by a natural person who exercises several liberal professions)