Legal basis: Measures for the Implementation of People's Republic of China (PRC) Archives Law.
Article 3 Permanent archives collected by national archives at all levels shall be managed at the first, second and third levels, and the specific grading standards and management measures shall be formulated by the National Archives.
Article 4 With the consent of the National Archives Bureau and the archives administration departments of the people's governments of provinces, autonomous regions and municipalities directly under the Central Government, various departments in the State Council may formulate specific management systems and measures for professional archives in this system.
Article 14 Since cultural relics, books and materials are also archives, archives can exchange copies, copies or catalogues with museums, libraries, memorial halls and other units, jointly hold exhibitions, edit and publish relevant historical materials or conduct historical materials research.