Other than the four ranks of bureaucrats, kami, suke, jo and sakan, Jiju (staff of the Imperial Household Agency staff), Udoneri (imperial guard), Naiki (secretary), Kenmotsu (accounting official), Shurei (official in charge of the barrier station), and Tenyaku (warehouse keeper), which were called honkan, belonged to respective ministries.
四等官の他、侍従・内舎人・内記・監物・主鈴・典鑰などの品官（ほんかん）が所属する。