Chapter III Network Operation Security

Article 33

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Translation Notice

This is an unofficial English translation prepared for general informational purposes only. It does not constitute legal advice. In case of any discrepancy, the official Chinese text published by the competent authority shall prevail.

本文为非官方英文翻译,仅供一般信息参考,不构成法律意见。如与主管机关发布的中文正式文本不一致,以中文正式文本为准。

Chinese Original

第三十三条 国家对公共通信和信息服务、能源、交通、水利、金融、公共服务、电子政务等重要行业和领域,以及其他一旦遭到破坏、丧失功能或者数据泄露,可能严重危害国家安全、国计民生、公共利益的关键信息基础设施,在网络安全等级保护制度的基础上,实行重点保护。关键信息基础设施的具体范围和安全保护办法由国务院制定。 国家鼓励关键信息基础设施以外的网络运营者自愿参与关键信息基础设施保护体系。

Translation Status

Site reference translation is in editorial review for this article. The Chinese original above is the controlling official text; do not treat this status note as a translation.

Plain English Note

Site explanation only. Not part of the translation.

Article 33 is part of the CSL critical information infrastructure framework and should be read with CII protection, security review, and annual assessment requirements.

  • cybersecurity
  • network operator
  • critical information infrastructure
  • MLPS / classified protection

Related rules: Critical Information Infrastructure Security Protection Regulation

Related standards: GB/T 22239; GB/T 28448

Source reference: CSL Article 33. Source authority: Cyberspace Administration of China publication; source text from the Standing Committee of the National People's Congress. Effective version: 2026-01-01 amended effective version. Amendment status: amended by 2025-10-28 amendment decision; current official text uses article-number gaps. Last verified: 2026-05-20. Last updated: 2026-05-20. Official source.

Source Reference

Official source

Last updated: 2026-05-20. Last verified: 2026-05-20. Independent reference only. Chinese text shall prevail.