The AI Act gets serious on August 2 — here's what changes for anyone using AI in Portugal
On 2 August 2026 the AI Act's core obligations apply, including the rules for high-risk AI systems used in hiring, credit, education or essential services. What changes for companies in Portugal.
Straight answer: on 2 August 2026 the AI Act — the EU’s artificial intelligence regulation — enters its most demanding phase, as the obligations for high-risk systems and most transparency rules start to apply. For many companies in Portugal using AI in decisions about people, the warm-up period ends this summer.
The regulation has been in force since August 2024, but it was built to land in stages: outright bans first (manipulation, social scoring), then the rules for large general-purpose models, and now the heaviest layer.
What changes on 2 August 2026?
The obligations for high-risk AI systems on the regulation’s list kick in — those used in hiring and workforce management, access to education, credit scoring, insurance, essential public services or border control. Providers and deployers must ensure risk management, data quality, technical documentation, human oversight and logging. Transparency duties stack on top: chatbots must identify themselves as machines, and synthetic content such as deepfakes must be labelled. Member states are also required to have at least one AI regulatory sandbox running. The full official timeline is on the European Commission’s page.
What happens if a company ignores the AI Act?
The fines have a serious ceiling: up to 35 million euros or 7% of global turnover for the gravest breaches. Enforcement is split between national authorities and the European AI Office, which now has an independent scientific panel watching frontier models. Not everything lands yet: rules for AI embedded in regulated products, like medical devices, only arrive in 2027.
For Portuguese SMEs the practical advice is to take inventory now: which AI systems you use, for which decisions, with what data. Companies that treat AI like a kitchen appliance — switch it on and forget it — are the ones in for the hottest August.
By Oliver Grant
Image: Marek Ślusarczyk (Tupungato) Photo portfolio / Wikimedia Commons (CC BY 3.0)