Judgment of the Court (Ninth Chamber) of 28 November 2019.#KROL - Zakład Robót Wodno-Kanalizacyjnych Sp. z o.o., S.k. v Porr Polska Construction S.A.#Request for a preliminary ruling from the Sąd Okręgowy w Warszawie.#Reference for a preliminary ruling — Combating late payment in commercial transactions — Directive 2000/35/EC — Article 1 and Article 6(3) — Scope — National legislation — Commercial transactions financed by the EU Structural Funds and by the EU Cohesion Fund