Legal analysis: an agreement is reached under the mediation of the court or arbitration institution, and a written mediation agreement is made by the court or arbitration institution and then served on both parties. When the parties receive the mediation agreement, they need to sign the mediation agreement and the service receipt, and the mediation agreement will not take effect until such procedures are completed.

Legal basis: Article 97 of the Civil Procedure Law of People's Republic of China (PRC). If an agreement is reached through mediation, the people's court shall make a conciliation statement. The conciliation statement shall specify the claim, the facts of the case and the result of conciliation. The conciliation statement shall be signed by the judge and the clerk, stamped with the seal of the people's court and served on both parties. The conciliation statement has legal effect after being signed by both parties.