yes. According to the policy of our country, it is invalid to directly resell the house purchased in the form of loan before the house loan is paid off. Because the loan was not paid off, the property certificate should be kept in the bank.
Article 208 of the Civil Code The establishment, alteration, transfer and extinction of the real right of immovable property shall be registered in accordance with the law. The establishment and transfer of the real right of a chattel shall be delivered in accordance with the law.