replacing sap isu tax code with sap r/3 while transferring documents

we are using different tax code in SAP ISU then the one used in SAP CORPORATE..is there any way we can replace the tax code used in SAP ISU with the one used SAP R 3 while transferring the documents through ALE

we have used sabstituation rules to populate the GL text and profit centre? can we explore this config to update the tax code?

Substitution in Accounting Documents Financial Accounting (New) > Accounts Receivable & Payable > Business Transactions > Incoming Invoices/Credit Memos > Make and Check Document Settings > Substitution in Accounting Documents

Highly appreciate your help

vinod