Roju of the Bakufu controlled Ometsuke (the post for watching the states of the domains and Imperial court), Machi-bugyo (town magistrate), Ongoku-bugyo (the collective name of the magistrates placed at important areas directly controlled by the government in the Edo period), and Sunpujodai (the person sent for administering the Shunpu castle), and was responsible for the affairs concerned with the imperial court, kuge (court nobles), daimyo (Japanese feudal lords), shrines and temples as well as for allotment of chigyo (a right of controlling a domain).
幕府の老中は、大目付・町奉行・遠国奉行・駿府城代などを指揮監督し、朝廷・公家・大名・寺社に関する事柄、知行割りについてなどを統轄した。