It is not clear as to whether the Hitachi no suke, and the Kazusa no suke were under the customary control of the director general of these provinces, whether they were under the direct control of the New Emperor, or whether Masakado did not go aganst the system of the Imperial Court as described in the "Shomonki (The Chronicle of Masakado).
ここでの常陸、上総の介は慣習上の長官という意味か、新皇直轄という意味か、将門記の記載のとおり朝廷には二心がなかったという意味なのかは不明である。