1, with the tax registration documents, the operator's proof of identity, in accordance with the State Council tax authorities to make the seal of the invoice in accordance with the prescribed pattern of the seal, the competent tax authorities for invoice procurement procedures.

2, the competent tax authorities in accordance with the business scope and scale of the purchasing units and individuals, to confirm the type of invoices purchased, the number of invoices purchased, as well as the way of purchasing, within five working days to send invoices purchasing book.