In "Kantobisho" (a book written by FUJIWARA no Toshinori), it is written that Tono Chujo did the work of 'kinchu banji' (everything in the Imperial Palace) and To no Ben did that of 'tenkakosai' (everything).
藤原俊憲の『貫頭秘抄』には、頭中将は「禁中万事」を申し行い、頭弁は「天下巨細」を執奏するとされた。