If the new "Unified Social Credit Code" cannot be used, the original regulations can be used. Legal persons and other organizations, as well as other types of taxpayers such as natural persons who have not obtained the Unified Social Credit Code during the transition period, will The coding rules for taxpayer identification numbers will still be implemented in accordance with the original regulations. It will not affect the normal handling of tax-related matters by taxpayers who have not obtained a unified social credit code. The process for general taxpayers to change their tax number is as follows: 1. Before informing taxpayers of the change, all uncertified VAT input invoices must be certified. After the tax number is changed, the invoice obtained should be the newly loaded "unified social credit code", otherwise the certification cannot be completed and the deduction cannot be made. 2. In the anti-counterfeiting tax control system, "void" the unused blank invoices and make tax returns, then go to the invoice window in the lobby to cancel and make tax returns. After completing the tax declaration for the current period, the anti-counterfeiting tax control The instrument performs a cancellation issuance operation and cancels the anti-counterfeiting tax control system file information. 3. Change the original tax number to the newly loaded "Unified Social Credit Code" through the tax registration window. 4. In the anti-counterfeiting tax control system, the invoice window performs synchronization operations after the tax number in Ctais has been changed to the new "Unified Social Credit Code", registers the new file information and performs the initial issuance operation, and replaces the invoice purchase book and reissues it. bill. 5. Inform taxpayers of the subsequent tax-related matters of tax number change: (1) Change the special invoice stamp in a timely manner. The tax number loaded on the invoice must be consistent with the special invoice stamp. (2) Go to the contracted bank of the Treasury and Tax Bank in a timely manner to update the bank-tax agreement, otherwise the automatic tax transfer cannot be completed.

(3) Inform the China tax declaration service provider (Century China Tax) in a timely manner, and the service provider will perform corresponding maintenance on the China tax declaration system, otherwise the China tax declaration cannot be carried out