However, it has been said that Naikaku-shokken was not based on the cabinet system of German Empire of the time but based on the "Hardenberg governmental regulation" (the governmental regulation in Prussia in 1810) that was affected by the British parliamentary cabinet system.
しかし、内閣職権は当時のドイツ帝国の内閣制度ではなく、イギリスの議院内閣制の影響も含まれた「ハルデンベルグ官制」（1810年のプロシアの官制）をモデルにしたとされている。