However, as its circulation rose even more in the Kamakura period, the Kamakura bakufu (Japanese feudal government headed by a shogun) changed their policies and allowed its use in 1226 and the Imperial Court, four years after that.
だが、鎌倉時代に入ってその流通はますます加速して、嘉禄2年（1226年）に鎌倉幕府が、その4年後には朝廷が旧来の政策を改めてその使用を認めた。