Case C-722/18: Judgment of the Court (Ninth Chamber) of 28 November 2019 (Request for a preliminary ruling from the Sąd Okręgowy w Warszawie, XXIII Wydział Gospodarczy Odwoławczy, Poland) — KROL — Zakład Robót Wodno-Kanalizacyjnych Sp. z o.o., sp.k. v Porr S.A. (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 — Exclusion)