What does Art. 3(30) of the EU AI Act say?

Art. 3(30): validation data

Art. 3(30), Regulation (EU) 2024/1689

Open in the interactive map Official text on EUR-Lex

(30) ‘validation data’ means data used for providing an evaluation of the trained AI system and for tuning its non-learnable parameters and its learning process in order, inter alia, to prevent underfitting or overfitting;

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Article 3

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Mechanically consolidated from the official OJ texts of Regulations (EU) 2024/1689 and 2026/1744 (the Digital Omnibus, in force 27 July 2026); unofficial pending the official EUR-Lex consolidation. Study aid, not legal advice; the official texts on EUR-Lex are authoritative.

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Art. 3(30): validation data

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