Legal basis: People's Republic of China (PRC) Law on Guarding State Secrets.
Article 3 State secrets are protected by law. All state organs, armed forces, political parties, social organizations, enterprises, institutions and citizens have the obligation to keep state secrets. Any act that endangers the security of state secrets must be investigated by law.
Article 9 The following matters concerning national security and interests, which may damage the security and interests of the country in the fields of politics, economy, national defense, diplomacy, etc. after publicity, shall be determined as state secrets: (1) Secret matters in major decisions of state affairs; (2) Secret matters in national defense construction and activities of the armed forces; (3) Secret matters in diplomatic and foreign affairs activities and secret matters with confidentiality obligations; (4) Secret matters in national economic and social development; (five) scientific and technological secrets; (six) activities to safeguard national security and trace criminal secrets; (seven) other secret matters determined by the state secrecy administrative department. Party secrets that conform to the provisions of the preceding paragraph are state secrets.