Besides Shitokan (four classifications of bureaucrats' ranks), there were additional posts such as Hanji (Judicial Officer) for judging criminals as Honkan (a general term of government posts excluding Shitokan), as well as Tokibe that engaged in interrogating criminals.
四等官の他、品官として罪人を裁く判事が設置され、また罪人に対する糾問にあたる解部も設置されていた。