If upgrading from 11i, there is a challenge in understanding the changed perspective of the data model for tax in Release 12 E-Business Tax.
As part of the upgrade process the tax content that you had configured in Oracle Payables and Oracle Receivables is converted into singular tax content for an operating unit. This ensures that you can continue to transact and use the tax calculation functionality without loss of functionality.
Once you have decided on how to use the new E-Business Tax functionality you can transition to the new model at a later date.
Note
Once you transition and make the jump to the new model in an upgraded instance you cannot revert.
In prior releases the following conditions existed:
Tax codes and rates were owned specifically by each product, Oracle Payables and Oracle Receivables
The tax calculations were performed with individual rates and were not always stored at the most detailed level
This separation of data ownership did not support seamless...