Enforcement Act of the Part of Obligations of the Civil Code Article 11

The provisions of the Part of Obligations of the Civil Code shall also apply to the obligation of interest incurred before the coming into force of the PART of OBLIGATIONS of the Civil Code and which has not been performed at that time. But if, at the time when the Part of Obligations of the Civil Code comes into force, the total amount of unpaid interest exceeds the principal, the total amount of interest shall still be made not to exceed the principal.