Method of automatically authenticating value-added-tax special invoices

Abstract

The invention provides a method of automatically authenticating value-added-tax special invoices. The method includes: collecting enterprise information needing to be authenticated; requesting a CA authorization file of an enterprise from the State Administration of Taxation, and saving the same; generating unique ID and Key, which are of the enterprise and are used for enterprise interface butt-joint-connection and CA authorization file identity confirmation, according to the enterprise information and the CA authorization file; calling an API interface, which is provided by the state tax bureau, when a request that the enterprise needs to authenticate the value-added-tax special invoices is received; sending the CA authorization file of the enterprise to the state tax bureau, requestingsending of invoice data which are of the enterprise and a certain time period and need to be authenticated, and saving the same to a database I; quickly and massively scanning the value-added-tax special invoices, which need to be authenticated, through scanners and two-dimensional-code scanning guns; parsing invoice information, and saving the same; retrieving the invoices, which need to be authenticated, one by one in the database I, and setting status thereof to ticked status after the same are found; sending the ticked invoices and the CA authorization file of the enterprise to the state tax bureau to request authentication, and keeping authentication results.

Description

technical field [0001] The invention relates to an authentication method for automatically authenticating special value-added tax invoices. Background technique [0002] The certification of special value-added tax invoices is an important task before enterprises can deduct taxes. At present, there are two main ways for enterprises to certify the special value-added tax invoices obtained: one, to go to the national tax service hall to certify the value-added tax invoices obtained one by one. Service hall, waiting in line for processing. [0003] Another authentication method is online authentication. The enterprise inserts the tax control panel into the PC, opens IE and logs in to the "invoice selection authentication platform", searches for the invoices that need authentication, checks the invoices that need authentication one by one, and submits the authentication. Disadvantages of this authentication method: [0004] 1. It is necessary to insert the tax control panel i...

AI Technical Summary

Problems solved by technology

For bookkeeping companies, if they help N companies to perform invoice certification at the same time, they need to hold the tax control disks of N companies, and it is very inconvenient to keep changing the tax control disks of these N companies.

[0005] 2. For a large group company with multiple subsidiaries, if there are many invoices to be certified, thousands of invoices need to be certified every month. The certification process is cumbersome and time-consuming, which will waste a lot of time for the company

[0006] 3. For bookkeeping companies that need to help multiple companies to certify thousands of invoices every month, this certification method will cost a lot of manpower and time!

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