The establishment of these Ritsuryo codes brought about the formation of fully centralized governing system, which centered on the emperor and set a bureaucratic organization of Japanese government-regulated organization or facility, etc. (Nikan of Dajokan [Grand Council of State] and Jingikan [department of worship], and Hassho [eight ministries and agencies] of Nakatsukasasho [Ministry of Central Affairs], Shikubusho [Ministry of Ceremonial], Jibusho [the Ministry of Civil Administration], Minbusho [Ministry of Popular Affairs], Okurasho [Ministry of the Treasure], Gyobusho [Ministry of Justice], Kunaisho [Ministry of the Sovereign's Household] and Hyobusho [Ministry of Military]), as the bone structure.
この律令の制定によって、天皇を中心とし、日本の官制（太政官・神祇官の二官、中務省・式部省・治部省・民部省・大蔵省・刑部省・宮内省・兵部省の八省）の官僚機構を骨格に据えた本格的な中央集権統治体制が成立した。