The method of querying the corporate tax number is as follows:

1. You can query it on the company's bank tax payment voucher. There will be a taxpayer identification number in the upper left corner of the tax payment voucher;

2. Check the special value-added tax invoice issued by the company. The taxpayer identification number will be marked on the invoice;

3. Check the company's national tax or local tax tax registration certificate. The 15-digit number in the upper right corner of the first page of the certificate That is the taxpayer identification number;

4. The first page of the invoice collection book will also have a record of the taxpayer identification number;

5. Report directly to the company’s tax staff Inquire to obtain a taxpayer identification number.

The role and importance of the enterprise tax number:

1. Tax registration certificate: The enterprise tax number is the unique identification code registered by the enterprise at the tax authority, proving that the enterprise has completed tax registration;

2. Tax management: The corporate tax number is used in tax management activities such as tax declaration, tax payment, tax inspection, etc. It is the identification of the corporate tax status;

3. Invoice issuance : Enterprises need to use tax ID when issuing invoices to ensure the legality and validity of the invoice;

4. Tax information query: Enterprise tax ID can be used to query the enterprise’s tax information, such as tax credit rating , historical tax records, etc.;

5. Financial services: When applying for bank loans, credit cards and other financial services, corporate tax numbers are often used as necessary review information.

In summary, the methods for querying corporate tax numbers include querying bank tax payment vouchers, special value-added tax invoices, tax registration certificates, invoice collection books, and consulting tax staff.

Legal basis:

"Tax Collection and Administration Law of the People's Republic of China"

Article 17

Engaged in production , business taxpayers shall, in accordance with relevant national regulations, hold tax registration certificates, open basic deposit accounts and other deposit accounts in banks or other financial institutions, and report all their account numbers to the tax authorities. Banks and other financial institutions shall register the tax registration certificate number in the account of the taxpayer engaged in production and operation, and register the account number of the taxpayer engaged in production and operation in the tax registration certificate. When tax authorities inquire about the account opening of taxpayers engaged in production and business operations in accordance with the law, relevant banks and other financial institutions should provide assistance.