EU AI Act transparency rules hit on 2 August: what Article 50 actually requires

By Somya Goyal · 22 Jul 2026 · 6 min read

In under two weeks, telling people they are talking to a machine stops being good manners and becomes European law. Article 50 of the EU AI Act applies from 2 August 2026, and despite a wave of headlines about delayed deadlines, this one did not move.

Article 50 applies from 2 August 2026. The high-risk postponements do not cover it.

Most of the EU AI Act's attention has gone to high-risk systems, and most of the recent news has been about deadlines slipping. Both facts have obscured a rule that lands on 2 August 2026 and applies to a very large number of ordinary businesses: Article 50, the transparency chapter.

What Article 50 requires

The obligations fall on providers and deployers of AI systems in specific situations that create transparency risk for people. In plain terms:

Tell people they are dealing with an AI. Systems that interact directly with people must make that clear - unless it is already obvious in the relevant context. That qualifier is a genuine carve-out, not a loophole to lean on.
Mark synthetic content machine-readably. AI-generated or manipulated audio, image, video and text must be marked in a form machines can detect.
Disclose deepfakes. Deployers of systems producing deepfake content must disclose that it is artificially generated or manipulated, with exceptions for evidently artistic and creative work.

If you run a customer-facing chatbot in the EU, generate marketing assets with AI, or deploy a voice agent, this is your rule.

"Article 50 was not postponed. The high-risk deadlines moved; the transparency deadline did not."

The postponement confusion, cleared up

You have probably seen headlines about EU AI Act obligations being delayed. They are real, and they are about something else.

The Digital Omnibus on AI - adopted by Parliament on 16 June 2026 and Council on 29 June 2026 - pushed high-risk obligations back: Annex III systems to 2 December 2027, and Annex I sectoral systems to 2 August 2028. Article 50 was not part of that.

The single change touching Article 50 is a grace period: systems already placed on the market before 2 August 2026 have until 2 December 2026 to comply with the machine-readable marking requirement in Article 50(2). Every other Article 50 obligation applies from 2 August. Do not let a colleague talk you into believing the date moved.

What it costs to get wrong

Article 99(4)(g) sets the penalty for breaching transparency obligations at up to 15 million euros or 3 percent of total worldwide annual turnover for the preceding financial year, whichever is higher. That is the mid-tier band - below the 7 percent reserved for prohibited practices under Article 5, above the 1 percent for supplying false information. For SMEs and startups, the cap is whichever figure is lower.

A practical checklist before 2 August

Inventory your customer-facing AI. Chatbots, voice agents, automated email responders, in-product assistants. Anything that talks to a person is in scope.
Check your disclosure is real. A machine-readable flag no one sees is not disclosure. The test is whether a reasonable person understands they are talking to an AI.
Audit your generated media. AI-produced images and video in your marketing need marking. Work out who owns that step in your content pipeline.
Do not over-rely on "obvious in context." It is a defensible exemption when a system is plainly a bot, and a weak one when your assistant is designed to feel human.
Write down your reasoning. Where you conclude an obligation does not apply, record why. That record is what a regulator will ask for.

The takeaway

Article 50 is one of the least dramatic parts of the AI Act and one of the most broadly applicable. It does not ask you to prove your model is safe; it asks you to be honest about when a machine is involved. That is a low bar, which is precisely why missing it looks bad. Two weeks is enough time to inventory what you run and fix the disclosure gaps - and it is worth remembering that these rules govern how AI speaks to your customers, not how it speaks about you. The second question is still entirely yours to manage.

Transparency is the floor, not the goal

Disclosure rules govern how AI talks to your customers. They say nothing about how AI talks about your brand. Stellarcast tracks what the major engines say when someone asks about you. Request a free audit.

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Frequently asked questions

When do EU AI Act transparency obligations start?

Article 50 transparency obligations apply from 2 August 2026. Systems already on the market before that date have until 2 December 2026 to meet the machine-readable marking requirement in Article 50(2), but the other Article 50 obligations apply from day one.

Was Article 50 postponed by the Digital Omnibus?

No. The Digital Omnibus on AI postponed high-risk obligations - Annex III to 2 December 2027 and Annex I sectoral to 2 August 2028 - but Article 50 was not postponed. The only change affecting it is the four-month grace period for machine-readable marking of systems already on the market. The 2 August 2026 date stands.

What are the penalties for breaching Article 50?

Under Article 99(4)(g), non-compliance with the transparency obligations can draw fines of up to 15 million euros or 3 percent of total worldwide annual turnover for the preceding financial year, whichever is higher. For SMEs and startups the cap is whichever is lower.