Judgment of the Court (Ninth Chamber) of 3 June 2021.#Rad Service Srl Unipersonale and Others v Del Debbio SpA and Others.#Request for a preliminary ruling from the Consiglio di Stato.#Reference for a preliminary ruling – Public procurement of service, supply and works contracts – Directive 2014/24/EU – Conduct of the procedure – Choice of participants and award of contracts – Article 63 – Tenderer relying on the capacities of another entity in order to meet the requirements of the contracting authority – Article 57(4), (6) and (7) – Untruthful declarations submitted by that entity – Exclusion of that tenderer without requiring or permitting it to replace that entity – Principle of proportionality.#Case C-210/20.