What is the Vehicle Purchase Document Number?

2 Answers
OJoseph
07/29/25 7:32am
When purchasing a vehicle, it refers to the ID number of the vehicle owner. Below is relevant information about the vehicle purchase document number: 1. Ownership: Consumers need to bring their ID cards when buying a car; organizations need to bring their organization code certificate when purchasing a vehicle. 2. Content of the last six digits: These represent the last six digits of the owner's ID number. 3. Extension: A vehicle also has another 'ID' number, which is the Vehicle Identification Number (VIN). Composed of 17 digits and letters, it's also called the chassis number or frame number. To avoid confusion with numbers 1, 0, and 9, the English letters I, O, and Q are not used.
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ODaniel
08/12/25 10:49am
I only recently understood when buying my first car that the vehicle purchase document number is actually the serial number on those car purchase documents. For example, there's a long number at the top of the purchase invoice, or a unique identification number on the vehicle certificate of conformity. It's specifically assigned to each transaction as proof that you've indeed purchased the vehicle, serving like an identity verification. I remember when I went to the DMV for license plate registration, the staff needed to verify this number. If you forget to bring it or get it wrong, you might have to make multiple trips over several days, wasting a lot of time. This number is also used when applying for car insurance, as insurers need to check it. It's best to keep all purchase documents neatly organized in a folder - if you lose them, replacing them can be time-consuming and troublesome. In short, new car buyers shouldn't rush to drive off - ask the salesperson a few more questions to ensure the number is clearly visible.
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