Although the Korean Dynasty also wanted to impose a business tax on kokyowa, they found it difficult to carry out that idea because the Soda clan already imposed the equivalent tax, and they eventually gave up that plan.
また、朝鮮王朝は恒居倭に対し営業税の課税を検討したが、既に早田氏が課税しているため実行は困難と判断し中止している。