What demonstrates the change of Dynastic polity occurred at that time are the establishment of Koden kanmotsu rippo (the law fixing the tax rate of kanmotsu, tribute), active establishment of bechimyo and the centralization of shoryo soron shinpanken (jurisdiction of the disputes concerning the ownership of land) to Dajokan (Grand Council of State).
この時期の王朝国家の変質を示す指標としては、公田官物率法の制定、別名の積極的な設定、所領相論審判権の太政官への集中化などがある。