Judgment of the Court (Ninth Chamber) of 18 November 2020.#Techbau SpA v Azienda Sanitaria Locale AL.#Request for a preliminary ruling from the Tribunale ordinario di Torino.#Reference for a preliminary ruling – Combating late payments in commercial transactions – Directive 2000/35/EC – Concept of ‘commercial transactions’ – Concepts of ‘delivery of goods’ and ‘provision of services’ – Article 1 and first subparagraph of Article 2(1) – Public works contract.#Case C-299/19.