There are three main types of invoices for the service industry in Nanjing, computer-printed, quota-type and hand-filled type. For the service category in the catering industry, only the computer printing type, fixed amount type two.

As for the enterprise invoice is not uniform, is due to the payment of taxes are not the same, the use of computer print and manually fill out the type of invoices, is the end of the month according to the total amount of invoices for the previous month as the amount of sales, for tax purposes. And fixed-rate invoices, the monthly payment of a fixed amount of tax (that is, the same amount of monthly tax), but can only receive the corresponding amount of fixed-rate invoices.