PO Notification by Fax with Fax # stored at Site level, not Supplier Contact level?

Hello,

We recently had a patch set overwrite our PO Notification settings.  We'd like to set PO communication to suppliers to use SUPPLIER SITE level for both Email and Fax Notification methods and parameters.

We learned that there is a Purchasing profile option for choosing CONTACT or SITE to control where notification parameters are to be pulled from for PO Communication to Suppliers.

We set the profile option to = Site, but it only seems to be working for Email method. Fax method is still only pulling the Supplier's Fax # from the site as long as no fax # is populated in the Fax # field in Supplier Contacts.