What documents should be paid attention to when buying a used car

1. Invoice: The invoice records the information of the buyer, the price of the car, and the VIN code of the car. Usually, it comes in triplicate to the user, including the invoice copy, the tax declaration copy for paying purchase tax, and the registration copy used for vehicle inspection and registration. It is important to check for the presence of a business verification seal;
   

2. Certificate of conformity: Only cars with a certificate of conformity are allowed to be registered if they meet the national requirements for the level of motor vehicle equipment and relevant standards;

3. Registration Certificate: commonly known as Big Green Book, it is a certificate of ownership of a car issued by the car registration authority, which includes first-hand user and basic information of the car, as well as all procedures such as changes, transfer of property rights, mortgage, etc. during the use of the car. These will be fully recorded on the registration certificate;

4. Purchase tax payment certificate: It records the information of the car owner, car information, and tax payment information. It can be a purchase tax book or a purchase tax invoice;

5. Automobile driving license; User ID card.