46 DAYS LEFT — ART. 50(2) MARKING DEADLINE: 2 DEC 2026

The 46-Day Sprint: your EU AI Act Art. 50 compliance checklist. — Cybersecurity News

This cybersecurity news compliance checklist is a 46-day sprint plan for the EU AI Act Article 50(2) machine-readable marking deadline of December 2, 2026. Transparency duties are already live — this cybersecurity news guide covers inventory, marking, and audit.

What is the cybersecurity news EU AI Act 46-day sprint?

The 46-day sprint is a compliance checklist for the EU AI Act Article 50(2) machine-readable marking deadline of December 2, 2026, for systems already on the market. It walks through six steps — inventory, live duties, marking, documentation, training, and a pre-deadline audit — so nothing is left to the final week.

Article 50 transparency obligations have applied since 2 August 2026 — but providers of generative AI systems already on the market before that date get one grace period: until 2 December 2026 to put machine-readable marking on synthetic outputs (Art. 50(2)). From today, October 17, that is 46 days. This checklist works the six weeks backward from the deadline, week by week, with the exact article limb cited on every item.

Automated guidance, not legal advice. Every item cites its limb of Article 50 of Regulation (EU) 2024/1689. Confirm your obligations with qualified counsel — and note provider and deployer duties differ.
What non-compliance costs. Violating Article 50 falls under Article 99(4): administrative fines of up to €15 million or 3% of total worldwide annual turnover, whichever is higher. For SMEs, including start-ups, the lower of the two applies. Note: that is not the top tier — prohibited practices under Article 5 carry up to €35M or 7%. (Source: European Commission, AI Act Service Desk on Article 99 — linked below.)
Your sprint progress: 0 / 17 done
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WEEK 1 — OCT 17–23

Inventory your AI touchpoints

You can't label what you haven't mapped. This week is a census.
WEEK 2 — OCT 24–30

Close the already-live duties

Most Article 50 duties have applied since 2 August — no grace period. Close the gap this week.
WEEK 3 — OCT 31–NOV 6

Machine-readable marking

The core of the 2 December deadline: marking synthetic outputs so they are detectable as AI-generated.
WEEK 4 — NOV 7–13

Documentation

Regulators audit paper trails. Build yours before the deadline, not after.
WEEK 5 — NOV 14–20

Staff training

The duties live where your people publish. Make the rules muscle memory.
WEEK 6 + FINAL DAYS — NOV 21–DEC 2

Pre-deadline audit

12 days to verify, then the grace period ends.
Official sources:
EUR-Lex — Regulation (EU) 2024/1689, the EU AI Act (full text)
EUR-Lex — consolidated AI Act text as amended 27 July 2026 (Digital Omnibus)
European Commission AI Act Service Desk — Article 99 penalties
The 2 December 2026 grace period for Article 50(2) marking of systems on the market before 2 August 2026 is reported by multiple compliance analyses; other Article 50 duties have applied since 2 August 2026 with no grace period. The Digital Omnibus on AI (Regulation (EU) 2026/1744) delayed high-risk deadlines but not Article 50.
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Frequently asked questions

What is EU AI Act Article 50?

Article 50 of the EU AI Act (Regulation (EU) 2024/1689) sets transparency obligations: providers of direct-interaction systems must inform users they're interacting with AI (50(1)); providers of synthetic content generators must mark outputs machine-readable (50(2)); deployers of emotion-recognition/biometric systems must inform exposed persons (50(3)); deployers must disclose deepfakes and AI-generated public-interest text (50(4)). Applied since 2 August 2026.

What happens on 2 December 2026 for Article 50?

It's the end of the narrow grace period for Article 50(2) machine-readable marking: providers of generative AI systems already on the market before 2 August 2026 must have marking in place by then. Newer systems and all other Article 50 duties have applied since 2 August 2026 with no grace period.

Am I a provider or a deployer under the EU AI Act?

Roughly: the provider develops an AI system and places it on the market or puts it into service under its own name (Art. 3(3)); the deployer uses an AI system under its authority (Art. 3(4)). A creator calling a generation API is generally the deployer, not the provider. Your role decides which Article 50 limb applies.

What are the fines for violating Article 50?

Under Article 99(4): up to €15 million or 3% of total worldwide annual turnover, whichever is higher. SMEs and start-ups pay the lower of the two. That's not the top tier — Article 5 prohibited-practice violations carry up to €35M or 7%.

Is this checklist legal advice?

No — automated guidance, not legal advice. Every item cites its Article 50 limb, but confirm your obligations with qualified counsel before relying on them.

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