37In that connection, attention should be drawn to the importance, both for the EU legal order and for the national legal systems, of the principle of res judicata. In order to ensure both stability of the law and legal relations and the sound administration of justice, it is important that decisions of courts or tribunals which have become definitive after all rights of appeal have been exhausted or after expiry of the time limits provided for in that connection can no longer be called into question (judgments of 6 October 2015, Târşia, C‑69/14, EU:C:2015:662, paragraph 28 and the case-law cited, and of 17 May 2022, Ibercaja Banco, C‑600/19, EU:C:2022:394, paragraph 41 and the case-law cited).
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