49In the context of the cooperation established by Article 267 TFEU, it is for the national courts to determine whether, in the circumstances of the particular case, the supply concerned constitutes a single supply and to make all definitive findings of fact in that regard (judgment of 20 April 2023, Dyrektor Krajowej Informacji Skarbowej, C‑282/22, EU:C:2023:312, paragraph 31 and the case-law cited). However, it is for the Court to provide the national courts with all the guidance as to the interpretation of European Union law which may be of assistance in adjudicating on the case pending before them (judgment of 18 April 2024, Companhia União de Crédito Popular, C‑89/23, EU:C:2024:333, paragraph 38 and the case-law cited).
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