(4) In light of the above legal principles, the court below erred by misapprehending the legal principles on the grounds of appeal and exceeding the bounds of the principle of free evaluation of evidence, as otherwise alleged in the ground of appeal. In so doing, the court below did not err by misapprehending the legal principles on the grounds of appeal, as otherwise alleged in the ground of appeal.

3. As the provisions on statutory interest rate under the main sentence of Article 3(1) of the Act on Special Cases concerning Expedition, etc. of Legal Proceedings for Partial Dismissal enter into force on September 25, 2015, the statutory interest rate shall be recognized only as damages for delay calculated at the rate of 15% per annum from the day after the day when the copy of the application for the instant payment order is served to the day of full payment, and the excess portion shall be dismissed.