How Georgia Dealers Title Vehicles, Bill of Sale, Title App Form MV-6 Completed by all GA Dealers

1. Are the same documents required if the vehicle is sold to a different state?
2. Are the same documents required if the vehicle is titled in the dealerships name?

When the MV-6 format requires the Georgia Used Motor Vehicle Dealer/Parts Dealer Number it refers to, is it the same license number, or where do I get that number from?