The period from 1969 to 1999 is characterized as the times of radical reform in contemporary records management system of Korea. First, National archives was organized and it's function has been upgraded. Second, regulations of records management were established, revised, and integrated into a regulation of office management. Records disposition schedule was set up. The last, public records law was established. According to this law National archives was reorganized such as the national center of archival institutions. Principles of registration, classification and compilation, based on the principle of provenance, were established and the system of archivist was introduced.