Its Shitokan (four classifications of bureaucrats' ranks) were Haku, the head, Fuku, the assistant head (Daifuku, the senior assistant head/Shofuku, the junior assistant head), Jo, the secretary (Taijo, the senior secretary/Shojo, the junior secretary) and Shi, the clerk (Taishi, the senior clerk/Shoshi, the junior clerk).
四等官は、伯、副（大副・少副）、佑（大佑・少佑）、史（大史・少史）。