How to prevent over billing for AP Invoice transactions?

Summary:

The Invoice match option is set to Receipt and the match approval level is in "3-Way". Why the AP Invoice allows over than the receipt amount. Is there a way to restrict over billing or the system will prevent from over matching an invoice in the receipt?

Content (please ensure you mask any confidential information):

The Invoice got proceeded with 25,000 amount. The PO receipt is only 20,000 but it proceeded. Screenshot below shows the edited amount at the AP invoice level.

After clicking validate, the system tells it Needs Revalidation and got holds. In manage holds, selecting the match override and click save and close will apply the changes.