This rank was by far lower than that of Sadaijin (minister of left) equivalent to Shonii (Senior Second Rank) or Junii (Junior Second Rank), was lower than those of benkan (officials of the dajokan) equivalent to Jushiinojo (Junior Fourth Rank, Upper Grade), than that of Dazai no sochi (Governor-General of the Dazai-fu offices) equivalent to Jusanmi (Junior Third Rank), and than that of kyo (minister) who was the head of the seven ministries, and was equivalent to that of Kurodo no to (Head Chamberlain) (refer to the official court rank).
これは、太政官の常置の長官たる左大臣（正二位又は従二位相当）よりはるかに低く、弁官・弁官（従四位上相当）、大宰帥（従三位相当）、七省の長官たる卿（正四位下相当）より下であり、蔵人頭と同等である（官位の項参照）。