PL/SQL to Calculate Tax Rate and Tax Amount at Billing

Hi All,

Please, I'd like to know if some one got to implement Tax Rate and Tax Amount at Account Receivables.

I did the setup following all instructions of the Manual 115ARTAX, but it is not working.

take look, please...

I created the AR Tax Code defining the PL/SQL option.
Then, I assigned my own devoled PL/SQL stored procedure to be called from APPS.XXAR_REM_FRML  form.
Itested the procedure and created a transaction using this AR Tax Code, but:

1. Although the Tax Code was fetched to the Transaction,

No tax Rate (%) was assigned on tax line level.  and