Case C-543/24: Judgment of the Court (Eight Chamber) of 5 June 2025 – European Commission v Kingdom of Belgium (Failure of a Member State to fulfil obligations – Directive 2011/7/EU – Combating late payment in commercial transactions – Article 4(3)(a) – Commercial transactions between undertakings and public authorities – Obligation for Member States to ensure that public authorities comply with the periods for payment laid down in that provision – Article 6(1) – Compensation for recovery costs incurred by the creditor in the event of late payment by the debtor – Payment of a fixed sum)