At first, it introduced the system of sakekabu (an official certificate of sake brewing) for the first time in 1657, which was a licensing system for the sake brewing industry as anyone who did not have sakekabu could not brew sake.
まず明暦3年（1657年）、初めて酒株（酒造株）制度を導入し、酒株を持っていなければ酒が造れないように醸造業を免許制にした。