It is known that kuni no miyatsuko were involved in various affairs: the kuni no miyatsuko in Togoku took charge of managing Bemin (the people controlled by the authority through various classifications) and Miyake (lands directly held by the Yamato Kingdom); the one in Izumo conducted religious ceremonies to govern the territory by religion; and the one in Ki got involved in foreign affairs.
国造には、東国の国造のように部民や屯倉の管理なども行っていたり、出雲の国造のように神祇を祀り、祭祀により領内を統治することなども行っていたり、紀国造などのように外交に従事したりしたことなどが分かる。