Legal basis: Article 23 of the Regulations on Motor Vehicle Registration applies for mortgage registration, and the owner of the motor vehicle shall fill in the application form, which shall be applied by both the owner of the motor vehicle and the mortgagee, and submit the following documents and vouchers:
(a) the identity certificate of the motor vehicle owner and the mortgagee;
(2) Motor vehicle registration certificate;
(three) the main contract and mortgage contract concluded by the motor vehicle owner and the mortgagee according to law.