2 February 2025
Certain prohibited-practice provisions and AI literacy duties entered into application.
AIACT Research · Updated September 2026
EU AI Act timeline
The AI Act applies in phases. A timeline matters because different obligations and enforcement powers start at different dates.
2 August 2025
General-purpose AI model obligations entered into application.
2 August 2026
Some enforcement powers, transparency provisions and GPAI enforcement became applicable.
2 December 2027
Annex III high-risk system rules are scheduled to apply, subject to the current framework and transitional rules.
2 August 2028
High-risk AI rules for systems embedded in regulated products are scheduled to apply.
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