(1) Don't lead foreigners into the restricted areas and secret-related departments prohibited by the state;

(2) Talks with overseas personnel shall not involve state secrets without authorization, and must be conducted in accordance with the scope and caliber of the talks determined in advance;

(3) Entry-exit organizations, institutions and overseas personnel in China or accompanying overseas personnel shall not carry state secret carriers;

(four) in case of calls, letters, interviews, photographs, movies, television, videos or requests for information from overseas personnel, if the relevant information involves state secrets, they shall refuse and promptly report the situation to the organs and units;

(5) In external communication, if the foreign party has justified reasons to ask us to keep the information provided by it confidential, our personnel shall promise to keep it confidential;

(6) Do not use overseas communication facilities for confidential communication and contact, and do not use office equipment used by overseas personnel to handle confidential information.