The tax authorities confirm the number of recipients at one time. According to the business information of the electronic tax bureau, taxpayers apply for the approval of invoice types in the electronic tax bureau, and the tax authorities confirm the invoice types, the number of recipients and the billing limit, so the tax authorities confirm the number of recipients. Invoice refers to the business vouchers issued and collected by all units and individuals in buying and selling goods, providing or receiving services and engaging in other business activities. It is the original basis of accounting, and it is also an important basis for law enforcement inspection by audit institutions and tax authorities.