Such a formalistic structure was markedly different from the rules on administrative organizations under samurai law, which were based on administrative practices and experiences, and is one of the basic features of ritsuryo law.
その形式主義的な機構は、行政の慣行と経験に基づいて形づくられた武家法の官制といちじるしく相違しており、律令法の基本的特徴の一つをなしている。