1. With the tax registration certificate, engrave the stamp of "special invoice seal" according to the pattern stipulated by tax

2. With the tax registration certificate, the identity certificate of the agent and the special invoice seal, apply to the competent tax authorities for handling the invoice purchase procedures

3. The competent tax authorities confirm the types, quantities and purchase methods of invoices according to the business scope and scale of the purchasing units and individuals. And send it to the invoice receiving and purchasing book

4. If the buyer requests to apply for online self-invoicing, the tax authorities will investigate whether the buyer's hardware is available

(such as whether the network is open, whether the computer printer is equipped, and whether there is a safe (cabinet) dedicated to keeping invoices, etc.)

5. After on-the-spot investigation, the tax authorities think that the conditions are met, and the buyer can receive the purchasing book with the invoice smoothly and free of charge.