# GB 45438-2025 Cybersecurity technology – Labelling method for content generated by artificial intelligence

- **Jurisdiction:** China (CN)
- **Type:** Standard · **Status:** In force · **Binding:** yes
- **Issued by:** State Administration for Market Regulation (SAMR) and Standardization Administration of China (SAC); proposed by the Office of the Central Cyberspace Affairs Commission
- **Proposed:** — · **Adopted:** 28 Feb 2025 · **Effective:** 1 Sep 2025
- **Obligations:** Labelling AI content
- **Sectors:** Media, Consumer

## Summary
Mandatory national standard released alongside the CAC labelling measures, specifying how explicit labels and implicit (metadata) labels must be implemented for AI-generated text, images, audio, video and virtual scenes.

## Why it matters
As a mandatory (GB, not GB/T) standard it sets the technical test for whether labelling is compliant.

## Source
[CAC (Q&A on the Labelling Measures)](https://www.cac.gov.cn/2025-03/14/c_1743654685896173.htm) · [secondary](https://openstd.samr.gov.cn/bzgk/gb/std_list?p.p1=0&p.p2=45438)
Checked against the source on 4 Oct 2026. Issued 28 Feb 2025 and publicly released with the CAC Labelling Measures on 14 Mar 2025; implementation 1 Sep 2025 (SAMR national standards database lists GB 45438-2025 as a current mandatory standard, issued 2025-02-28). CAC Q&A confirms the standard and the Measures took effect together.

## Cite
GB 45438-2025 Cybersecurity technology – Labelling method for content generated by artificial intelligence. State Administration for Market Regulation (SAMR) and Standardization Administration of China (SAC); proposed by the Office of the Central Cyberspace Affairs Commission. Status: In force. wheresthe.ai, https://wheresthe.ai/rule/cn-gb-45438-2025-aigc-labelling-standard/ (verified 4 Oct 2026).

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Canonical page: https://wheresthe.ai/rule/cn-gb-45438-2025-aigc-labelling-standard/ · Not legal advice.