Class A is tax-controlled invoices, including VAT invoices, general VAT invoices, unified invoices for motor vehicle sales, unified invoices for used car sales and other invoices issued by some tax-controlled devices. The inquiry method of this kind of invoice is to go to the invoice verification platform in State Taxation Administration of The People's Republic of China, enter your invoice, number and relevant face information, and then make an inquiry.

Category B is the invoice category determined by some provincial tax bureaus, such as general-purpose machine invoicing. To receive such an invoice, we must first look at which province the invoice belongs to. Then log in to the online tax office of the provincial tax bureau, and then find the invoice inquiry module in the function of "public service", and then enter the relevant information of the invoice for inquiry.

How to quickly check the authenticity of invoices?