Creating approval categories
You can classify a Payables invoice for approval into an approval category based on your organization's requirements. Use this procedure to create approval categories for invocies.
Note: If the Enforce Existence Of Approval Category check box is selected on the Payables company, then you cannot add a new approval category that isn't displayed on the approval category list on the invoice. You must use this procedure so that the new approval category is available on the approval category list.