Legal basis: Article 17 of the Provisions of the People's Court on Sealing up, Seizing and Freezing Property in Civil Execution. If the person subjected to execution sells all the property that needs to be registered and transferred to a third party, and the third party has paid part or all of the price and actually occupies the property, but has not gone through the formalities for the transfer of property rights, the people's court may seal up, detain and freeze it; The people's court shall not seal up, detain or freeze a third person who has paid the full price and actually possessed it, but has not gone through the transfer registration formalities, and the third person is not at fault.