Message

Element 'cbc:RegistrationName' MUST be provided.

Context
/ubl:OrderCancellation/cac:BuyerCustomerParty/cac:Party/cac:PartyLegalEntity
Test
cbc:RegistrationName
Usage
/ ubl:OrderCancellation / cac:BuyerCustomerParty / cac:Party / cac:PartyLegalEntity