In fact, Kebiishi cho (Office of Police and Judicial Chief) was excellent practically, so later, it expanded its territory of duty by eating away traditional organizations of government according to the ritsuryo codes.
実際検非違使庁は実用面で非常に優れていたため、のちには従来の律令的官制を侵食していく形でその職務領域を拡大した。