How to account the Tax lines at the different Exchange Rate than the Transaction level Exchange Rate

Hi,

As per the Oman VAT Requirement we need to account the Tax lines at the different Exchange Rate than the Transaction's Exchange Rate, So we required separate Exchange Rate for Tax Lines and Core Transactions lines

SLA Accounting should use the Exchange Rate Type= Corporate & Rate=0.3851 for the Standard AR Invoice/Transactions, and Exchange Rate Type=User & Exchange Rate=0.3845 for Tax lines .

Kindly suggest us the Workaround/ Any Setup changes / SLA Extension to achieve separate Exchange Rate for base transactions lines and Tax Lines

Community inputs on the above issue will be really appreciable

Regards,

Basavanagowda