27As regards the assessment of any damages payable under Article 82 of the GDPR, in the absence of a provision having such a purpose in that regulation, national courts must apply the domestic rules of each Member State relating to the extent of financial compensation, provided that the principles of equivalence and effectiveness of EU law are observed (see, to that effect, judgments of 4 May 2023, Österreichische Post (Non-material damage in connection with the processing of personal data), C‑300/21, EU:C:2023:370, paragraphs 53, 54 and 59, and of 25 January 2024, MediaMarktSaturn, C‑687/21, EU:C:2024:72, paragraph 53).
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