The assignment of creditor's rights shall be effective only after the debtor is notified. Where the creditor transfers its rights, it shall notify the debtor. Without notice, the assignment is not effective for the debtor. The notice of the creditor's transfer of rights shall not be revoked, except with the consent of the transferee.
legal ground
According to Article 18 of the Contract Law, if the creditor transfers its rights, it shall notify the debtor. Without notice, the assignment is not effective for the debtor. The notice of the creditor's transfer of rights shall not be revoked, except with the consent of the transferee.