Punchout Catalog product ID's not returning to SC

Hi Gurus,

I am facing an issue where the vendors UNSPSC codes in the punchout catalog are not being returned into the SC.  We have the UNSPSC codes in comm_hierarchy which have come over from our ECC system.  For some reason the system is defaulting the product category from the default in the extended attributes.  We have done an initial debug and can see the product id from the catalog, but then not sure what to look at to figure out why this is getting replaced with the default from the extended attributes.  Any help is appreciated.

Thanks,

Jeff