# Validation dataset

> This definition applies to all jurisdictions governed by the EU AI Act.

- Article: Art. 3(31)

## Introduction

Definition of a validation dataset within the context of AI regulation.

## Content

a separate data set or part of the training data set, either as a fixed or variable split;

## Official source
- [Source](https://eur-lex.europa.eu/legal-content/FR/TXT/?uri=CELEX:32024R1689#art_3)