Some very specific questions about buying at Auction

[hardya99]

1. It's my understanding that the keeper and the owner are not and need not be the same thing, right? Eg I paid a main dealer for my daughter's car, I got a very formal receipt/invoice, she is the keeper.

2. A seller, even (or especially) a large business is allowed and may commonly sell a a vehicle, leaving the person who sold / part ex'd it to them as the registered keeper, right?

3. When you buy a car and the keeper is not the owner (or perhaps always and anyway) you should ask for and see evidence that the person selling it is the owner (or maybe at the very least indisputably had authority to sell the car), right?

4. If you buy a car from an auction, before you buy it, who is the owner, the auction business or the dealer (or person I guess) that is asking the auction business to sell the car for them?

5. Going back to to 3) if yes, what kind of evidence ought an auction business show / give you that they have authority to sell (or own) the vehicle? Eg paid invoice from dealer selling, formal written request from the dealer to the auction to sell the car on the behalf, etc etc?

Hope this makes sense.

Thank you.