Message

Element 'cac:PartyName' MUST be provided.

Context
/ubl:OrderResponse/cac:OrderLine/cac:LineItem/cac:Item/cac:Certificate/cac:IssuerParty
Test
cac:PartyName
Usage
/ ubl:OrderResponse / cac:OrderLine / cac:LineItem / cac:Item / cac:Certificate / cac:IssuerParty