Bank invoice tax number change processing method and system based on block chain

Abstract

The invention provides a bank invoice tax number change processing method and system based on a block chain, and relates to the technical field of block chain and financial data processing, and the method comprises the steps: obtaining the hierarchical relation data of bank institutions, and collecting the tax number of each hierarchical bank institution; establishing an institution tax number relation tree according to the hierarchical relation data and the tax number of the bank institution of each hierarchy, and recording the institution tax number relation tree to a block chain; when a tax number change processing request is obtained, searching a bank institution number in an institution tax number relation tree according to the bank institution number in the tax number change processing request; and changing the corresponding tax number, updating the institution tax number relation tree, and uploading the change record and the updated institution tax number relation tree to the block chain. According to the invention, the block chain is utilized to manage multiple institutions and multiple tax numbers of the bank, the tax number change with complicated institution levels can be processed, the service use is not influenced after the tax number change, the customer experience is effectively improved, the manual intervention is reduced, the human error is avoided, and the workload is saved.

Description

technical field [0001] The invention relates to the technical field of block chain and financial data processing, in particular to a block chain-based method and system for processing change of bank invoice tax number. Background technique [0002] There are many institutions in the banking system, and there are complex hierarchical relationships among them, and each institution corresponds to its own tax ID number. When each upstream business system initiates an invoicing request to the invoice system and needs to issue an invoice based on the organization number, the invoice system will obtain the corresponding tax ID number of the invoicing transaction organization according to the organizational hierarchy relationship and the tax ID number of the independent taxpayer organization for invoicing processing. However, once the organization or tax number is changed, the organization’s tax number, invoiced transactions, invoices and other information will not correspond to eac...

AI Technical Summary

Problems solved by technology

However, once the organization or tax number is changed, the organization’s tax number, invoiced transactions, invoices and other information will not correspond to each other; for the new tax number, normal operations may not be possible, and a work order needs to be submitted to the developer The maintenance personnel deal with it, the customer experience is not good, and the workload of all parties is increased

In addition, due to the frequent change of the tax ID number of the organization, errors will inevitably occur during the change process, resulting in some functions not being used normally. Once a problem occurs, it is not conducive to problem tracking and analysis

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