This was a promotion which went against the practice at that time to nominate only one legislator of the rank above the councilor from each of the aristocratic families (with the promotion of Fusasaki, it meant that there were two court officials from the Fujiwara clan, as Fuhito was already serving the post of Udaijin [the Minister of the Right]).
これは、参議以上の議政官は各豪族から1名ずつという当時の慣習を破っての昇進でもあった（房前の昇進により、右大臣である不比等を加えて、藤原氏の公卿は2人となった）。