Case C-73/20: Judgment of the Court (First Chamber) of 22 April 2021 (request for a preliminary ruling from the Bundesgerichtshof — Germany) — ZM, in his capacity as liquidator in the insolvency of Oeltrans Befrachtungsgesellschaft mbH v E.A. Frerichs (Reference for a preliminary ruling — Regulation (EC) No 1346/2000 — Insolvency proceedings — Article 4 — Law applicable to insolvency proceedings — Law of the Member State within the territory of which the proceedings are opened — Article 13 — Acts detrimental to all the creditors — Exception — Conditions — Act subject to the law of a Member State other than the State of the opening of proceedings — Act which is not open to challenge on the basis of that law — Regulation (EC) No 593/2008 — Law applicable to contractual obligations — Article 12(1)(b) — Scope of the law applicable to the contract — Performance of the obligations arising from the contract — Payment made in performance of a contract subject to the law of a Member State other than the State of the opening of proceedings — Performance by a third party — Action for repayment of that payment in insolvency proceedings — Law applicable to that payment)