Legal basis: Article 9 of the Law of People's Republic of China (PRC) on Guarding State Secrets refers to the following matters involving national security and interests. If the disclosure may damage the security and interests of the country in politics, economy, national defense, diplomacy and other fields, it shall be determined as a state secret:
(1) Secret matters in major state decisions;
(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.