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# coreFORCE - Orders - How can I fix Address verification errors with PO Boxes in coreCLEAR ?

**Question**

Whenever a customer checks out with a PO Box as a billing address, AVS filters usually trigger. Is there a way for us to manually override?

**Answer**

Yes, we added a preference specifically for this because it is a common problem.  In Orders > Setup, go the Merchant Account tab, and scroll to the bottom. If you have coreCLEAR selected as your Merchant Gateway, there is a checkbox that will allow "Zip match" to go through if the street address is a PO box.

![](https://storage.crisp.chat/users/helpdesk/website/643d871c2f1e2c00/31e0a0fa-4607-452d-a521-67ee62_1l6nf7v.png)