Legal basis: Article 22 of the Regulations on Motor Vehicle Registration, if a motor vehicle owner mortgages a motor vehicle, he shall apply to the vehicle management office at the place of registration for mortgage registration; If the mortgage right is extinguished, it shall apply to the vehicle management office at the place of registration for cancellation of mortgage registration.
Article 35 of the Measures for the Administration of Urban Real Estate Mortgage: If the mortgage contract is changed or the mortgage relationship is terminated, the mortgage parties shall go to the original registration authority to change or cancel the mortgage registration within 15 days from the date of change or termination.
If the mortgaged real estate is punished according to law and the land use right and the ownership of buildings and other attachments on the ground are obtained, the mortgagor shall, within 30 days from the effective date of the punishment, apply to the real estate management department of the local people's government at or above the county level for the registration of the transfer of house ownership, and apply to the land management department of the people's government at the same level for the registration of the change of land use right by virtue of the changed house ownership certificate.