Method and system for issuing single-tax-rate value added tax invoice for tax amount-containing sales order

Abstract

The invention discloses a method and a system for issuing a single-tax-rate value added tax invoice for a tax amount-containing sales order. The method comprises the steps of obtaining a sales order amount, a sales order tax amount, a sales order tax rate, a tax-containing sign, an invoice-making quota and a sales order detail data set comprising a plurality of commodity detail lines, wherein each commodity detail line comprises a commodity name, a unit price, a quantity and an amount; judging whether product of the unit price and the quantity is equal to the amount or not and whether a sum of the amount is equal to the sales order amount or not; calculating a price and tax total, an invoice amount, an invoice tax amount and an invoice unit price according to the sales order tax rate, the tax-containing sign, the unit price and the amount; checking whether a value after subtracting the sales order tax amount from a detailed total invoice tax amount is less than a predetermined value or not; and splitting the sales order detail data set according to the invoice-making quota and a predetermined number of commodity detail lines, and performing tax amount balancing on a plurality of to-be-made invoice data sets. According to the method and the system, to-be-made invoice data meeting invoice data standards can be prepared in advance.

Description

technical field [0001] The present invention relates to the technical field of electronic invoices, in particular to a method and a system for issuing single tax rate value-added tax invoices for tax-included sales slips. Background technique [0002] The value-added tax anti-counterfeiting tax control system of the National Taxation Bureau provides ordinary enterprises with the function of issuing special value-added tax invoices. Users can enter the invoice data item by item in the system to complete the invoice issuance, and can also import the pending invoice data into the system interface. Complete invoicing. However, billing by entering invoice data not only increases time and labor costs, but also may make mistakes when entering data. If you use imported data for invoicing, you need to prepare the pending invoice data that conforms to the invoice data specification, but there is currently no better way to pre-prepare the pending invoice data that meets the invoice da...

AI Technical Summary

Problems solved by technology

If you use imported data for invoicing, you need to prepare the pending invoice data that conforms to the invoice data specification, but there is currently no better way to pre-prepare the pending invoice data that conforms to the invoice data specification

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