Changes to AI content marking rules

Changes

• 2026-10-13 — China — Page updated after reading GB 45438-2025 in full: the metadata label is a field named AIGC with seven keys (Annex E); visible labels on images and video must be text at least 5% of the shortest side; watermarks are permitted and not required. Source: https://signunder.com/law/china (read 2026-10-13).
• 2026-10-13 — China — Page first published: the labelling Measures in force since 1 September 2025 require an explicit label and a metadata label, with watermarks encouraged; platforms must verify metadata on upload; the CAC named the Jianying and Maoxiang apps and the Jimeng AI site on 28 April 2026. Source: https://signunder.com/law/china (read 2026-10-13).
• 2026-10-13 — South Korea — Page first published: AI Basic Act Article 31 in force since 22 January 2026; the Enforcement Decree accepts a human-perceivable or a machine-readable label; the KRW 30 million fine reaches labelling failures only through a corrective order; Act amended by Act No. 21311, consolidated text in force 21 July 2026. Source: https://signunder.com/law/south-korea (read 2026-10-13).
• 2026-10-13 — India — Page first published: G.S.R. 120(E) of 10 February 2026, in force 20 February 2026, requires a prominent label and permanent metadata with a unique identifier on realistic synthetic audio and visuals, and bars intermediaries from enabling their removal; a draft Second Amendment of March and April 2026 is unconfirmed. Source: https://signunder.com/law/india (read 2026-10-13).
• 2026-10-13 — New York — Page first published: General Business Law section 396-b, in effect 9 June 2026, requires a conspicuous disclosure of a synthetic performer in an advertisement; $1,000 for a first violation, $5,000 after. Source: https://signunder.com/law/new-york (read 2026-10-13).
• 2026-10-12 — California — Page first published: SB 942 as amended by AB 853 (Chapter 674, Statutes of 2025), operative 2 August 2026; large online platforms and GenAI hosting platforms from 1 January 2027, capture devices from 1 January 2028; $5,000 per violation per day. Source: https://signunder.com/law/california-sb-942-ab-853 (read 2026-10-12).
• 2026-10-12 — EU Article 50 — Tracker first published: Article 111(4) as inserted by Regulation (EU) 2026/1744 gives systems on the market before 2 August 2026 until 2 December 2026 for marking; guidelines of 20 July 2026 treat the business integrating a model under its own name as the provider; no enforcement action found. Source: https://signunder.com/law/eu-ai-act-article-50 (read 2026-10-12).
• 2026-10-12 — EU Code of Practice — Page first published: signed metadata plus imperceptible watermark, 200-token text rule, interoperable detection by 2 February 2027; 95 Section 1 and 192 Section 2 signatories as of 24 September 2026, no inference platform among them. Source: https://signunder.com/law/eu-code-of-practice (read 2026-10-12).