(4) The Defendants submitted a written objection that does not have any content of the Plaintiff’s assertion on the ground of pleading after being served with the original copy of the payment order in this case, and did not appear at the date of pleading. Thus, the Defendants’ assertion on the ground of pleading in this case in accordance with Article 150 of the Civil Procedure Act shall be deemed to have led to the confession of all of the Plaintiff’s assertion on the ground of pleading in this case.