Second-hand car transaction invoices in Longli County, Guizhou Province are issued at the trading market. According to relevant public information, second-hand car invoices are issued by the seller's second-hand car trading market and second-hand car auction companies. They can be issued directly at the city's vehicle management office or car registration service station. They are usually issued after the second-hand car purchase and sale transaction is completed. , only after the invoice is issued can registration and vehicle insurance be paid.