Judgment of the Court (Fourth Chamber) of 14 May 2020.#T-Systems Magyarország Zrt. and BKK Budapesti Közlekedési Központ v Közbeszerzési Hatóság Közbeszerzési Döntőbizottság.#Request for a preliminary ruling from the Fővárosi Törvényszék.#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 – Procedures for review of 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) – Modifications to a contract concluded following a public procurement procedure – No new public procurement procedure – Fines imposed on the contracting authority and on the successful tenderer – Principle of proportionality.#Case C-263/19.