Court of Justice 14 May 2020, C-263/19 (Case C-263/19: Judgment of the Court (Fourth Chamber) of 14 May 2020 (request for a preliminary ruling from the Fővárosi Törvényszék — Hungary) –T-Systems Magyarország Zrt., BKK Budapesti Közlekedési Központ Zrt. v Közbeszerzési Hatóság Közbeszerzési Döntőbizottság (Reference for a preliminary ruling — Public procurement — Award of public contracts — Directive 2014/24/EU — Article 1(2) and Article 72 — Directive 2014/25/EU — Article 1(2) and Article 89 — Review procedures to the award of public supply and public works contracts — Directive 89/665/EEC — Article 2e(2) — Procurement procedures of entities operating in the water, energy, transport and telecommunications sectors — Directive 92/13/EEC — Article 2e(2) — Modification of a contract concluded following a public procurement procedure — No new public procurement procedure — Fines imposed on the contracting authority and the tenderer — Principle of proportionality))

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