validation data

eIDAS, Article 3(40) First adopted 2014-07-23

data that is used to validate an electronic signature or an electronic seal

AI Act, Article 3(30) Own wording adopted 2024-06-13

data that is 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 validate an electronic signature prevent underfitting or an electronic seal overfitting

Compared with eIDAS: struck words are only in eIDAS, marked words only here.