AP Invoice Offset Tax Calculation without Supplier Site Checkbox

Dear Team,

We have defined Offset Tax calculation as mentioned in Doc 1368206.1.

As per document, its required to enable "Allow Offset Tax" in Supplier and Supplier Site.(Step i) Third Party / Third Party Site setup)

In our case, Supplier and Invoice creation are handled by two different teams, where Supplier team forgets to allow Offset Tax check box for foreign suppliers.

In this case, the Reverse Charge tax is calculated only with positive rate and system does not populate the negative rate.

Is it possible to create a negative rate without selecting at the Supplier Site Level?

Kindly advise.

Thanks and Regards