Legal Analysis: First, open the national VAT inspection platform in State Taxation Administration of The People's Republic of China, as shown below, fill in the invoice code, invoice number, invoice date and invoice amount information, and click Check to check the authenticity of the invoice. If it's the first time to use the platform, you need to click "Install root certificate before initial inspection" on the left, and select manual installation, otherwise the picture of verification code will not be displayed. After downloading the file, you need to close the browser first, then double-click the installation certificate and select "Trusted Root Certificate Authority" as the installation location. After the installation is successful, reopen the platform and the verification code can be displayed normally.

1. If the invoice verification information entered by the taxpayer is consistent with the electronic information of the tax authorities, the relevant invoice details will be displayed (if the invoice has been voided by the issuer, the "voided" mark will be displayed in the inspection results).

2. If one or more of the invoice verification information entered by the taxpayer is inconsistent with the electronic information of the tax authorities, the system will prompt "Inconsistency in inspection".

3. If the invoice verification information entered by the taxpayer cannot be found in the electronic information of the tax authorities, the system will prompt "This ticket cannot be found".

Legal basis: Detailed Rules for the Implementation of the Measures for the Administration of Invoices in People's Republic of China (PRC).

Article 32 The use of invoices mentioned in Article 32 of the Measures is limited to the county (city). When it is necessary to collect invoices from other counties (cities), an invoice receipt shall be submitted to the county (city) tax authorities.

Thirty-third units and individuals that use tickets have the right to apply to the tax authorities for the authenticity of invoices. The tax authorities that accept the application shall accept and be responsible for identifying the authenticity of the invoice; If it is difficult to identify, it may be submitted to the invoice producer tax authorities for assistance in identification. Invoices seized at forged or altered sites, as well as sales and storage sites, shall be appraised by local tax authorities.