In addition, although kujiyado, who were kuji (public duties) agent officially approved by a magistrate's office, and kujishi were different, but in fact, the only difference between them was whether they were approved or not.
なお、奉行所公認の公事代理人であった公事宿とは別のものでああるが、実際には公認の有無の差しかなかったとも言われている。