[BR-57]-Each Deliver to address (BG-15) shall contain a Deliver to country code (BT-80).
Stored validation assertion
(ram:ShipToTradeParty/ram:PostalTradeAddress and normalize-space(ram:ShipToTradeParty/ram:PostalTradeAddress/ram:CountryID) != '') or not (ram:ShipToTradeParty/ram:PostalTradeAddress)