In order to assist administrative affairs, Borei (chief of the four districts of the capital) was placed at each jo (east-west district), and Bocho (chief of each district of the capital) (town mayor) was placed at each bo (north-west district), and then, the Capital was supervised in every hole and corner.
行政事務を補佐するために各条ごとに坊令､各坊ごとに坊長（町長）が置かれ､末端まで統治した。