At the time of the Kansei Reforms (a series of reforms carried out in Kansei era), Shoshiki gakari (a price watchdog) made up of the Edo town magistrate's officials such as yoriki (police sergeant) and doshin (police constables) and the municipal officials was established in order to monitor the prices and it kept functioning until the end of the Edo period.
寛政の改革の際には価格監視を目的として江戸町奉行所の与力・同心と町役人による諸色掛（しょしきがかり）が結成されて幕末まで継続されている。