Use the legal dates to plan real work, not to build a passive timeline.
Each milestone below includes the practical deliverables that should be complete by that date.
Structured answer sets in this page tree.
Cited legal and guidance references.
The AI Act is phased. If your program treats 2 August 2026 as the only relevant date, you will miss early obligations and transition rules that already shape what teams should be doing. This calendar translates Article 113 and Article 111 into a delivery sequence.
The Regulation entered into force on 1 August 2024. This was the correct point to launch inventory, role mapping, budget planning, and portfolio triage. Teams that waited for later dates often lost a year of preparation time.
Program level work should already have started here even if the main body of obligations applied later.
From 2 February 2025, the general provisions and the prohibited practices framework apply. This is also the point at which Article 4 AI literacy becomes a live obligation. Release controls should therefore be active before this date, not after it.
If your program cannot show Article 5 screening and role based AI literacy from this date forward, it will look immature even if later controls are strong.
Chapter V obligations for providers of general purpose AI models apply from 2 August 2025. Governance provisions, notified body and authority setup, and penalties provisions also begin around this phase. For GPAI providers, this is the date by which Article 53 obligations become operational, even though Commission enforcement powers on fines start later.
Providers of models that meet the systemic risk threshold need notification readiness without delay and in any event within two weeks after the threshold is met or known to be met.
This is the main application date for most of the Regulation. By this point, high risk system controls, transparency components, deployer operating procedures, and authority ready evidence should all be functioning.
Commission enforcement powers for GPAI providers also start from this date. If a GPAI provider is not compliant on 2 August 2026, the first year of grace on enforcement is over.
Article 111 creates later deadlines for specific legacy cases. Providers of GPAI models placed on the market before 2 August 2025 must comply by 2 August 2027. Article 6(1) obligations tied to certain product safety routes also apply from 2 August 2027. Large scale IT systems listed in Annex X and certain public authority deployments have longer transition periods, with some compliance reaching 31 December 2030.
These later dates are not excuses to delay current portfolio review. They are tracking duties for transitional cases that should already be named and monitored.
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