How is 'Business Unit Category' values passed to Withholding entity setup.
The withholding entity setup is used to determine the tax rates corresponding to a voucher. The entity setup also contains a field - "Business Unit Category". How is the value of this field determined at run time? The supplier master setup does not contain BU Category field. Also the voucher does not have any BU Category field on withholding page.
I know the setup for BU Category values is present at Setup Financials > Product Related > Procurement Options > Withholding.
How the Business Unit Category is used at runtime and from where is the value determined at runtime?
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