Judgment of the Court (First Chamber) of 22 April 2021.#ZM v E. A. Frerichs.#Request for a preliminary ruling from the Bundesgerichtshof.#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.#Case C-73/20.