If a vendor charged more tax than what is expected or allowed, you can distribute the excess tax amount across multiple lines in an AP invoice.

1. Go to Payables > Invoices.
2. Click the Task icon, then click Create Invoice.
3. Fill in the required fields.
   The Supplier Site and Legal Entity fields automatically populate. If not, select an option from the dropdowns.
4. In the Lines section, click Add Row.
5. Enter the item amount.
6. Select a distribution set or enter a distribution combination.
7. Select a Ship to Location option.
8. Click the Details icon at the end of the row.
9. Enter PRORATE_OVERCHARGE in the AP Advanced Rule field.
10. Click Invoice Actions, then click Validate.
    The system will add the taxes calculated by Tax Determination and show the tax amount for each line.