National Standard of the People's Republic of China Codes of secret level for documents Codes of secret level for documents This standard is applicable to marking the confidentiality level of documents. Confidentiality level 1.1 Public level: refers to documents that can be issued and changed internally and externally. 1.2 Domestic level: refers to documents that can be issued and exchanged internally. 1.3 Internal level: refers to documents that can be issued, exchanged and distributed within a certain system or department in the country. 1.4 Secret level: refers to documents that contain important national secrets. 1.5 Confidential level: refers to documents that contain important national secrets. Top secret level: refers to documents that contain core national secrets. Determination of confidentiality level UDC 002 (083 GBT156—87 The confidentiality level or downgrade of the document shall be determined by the Central Plains document production unit in accordance with the confidentiality regulations of the Yuan family and the legal approval procedures. 3 Principles and structure of compilation 3.1 The confidentiality levels are arranged in order from "public" to "top secret". 3.2 The code symbols include three forms: mathematics, Chinese arched sounds and Chinese characters. 4 Document confidentiality level code table Digital code Additional explanation:bZxz.net Chinese character code This standard was proposed by the National Technical Committee for Document Standardization. This standard was drafted by the Information Classification and Coding Research Institute of the National Bureau of Standards. The main drafters of this standard were Bai Guangwu and Jiang Shusen. The National Bureau of Standards issued it on November 3, 1987 in Chinese Character Code Public Level Domestic Level Internal Level Secret Level Confidential Level Top Secret 198710-01 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.