BR-57
Each Deliver to address (BG-15) shall contain a Deliver to country code (BT-80).
What the rule checks
As the rule set's publisher wrote it. The rule runs on every element the context matches, and fails where the test is false; the validator reports the line of that element.
cac:Delivery/cac:DeliveryLocation/cac:Address
exists(cac:Country/cbc:IdentificationCode)
Checked with EN 16931 Invoice (UBL), EN 16931 Credit Note (UBL), Croatia eRačun Invoice (UBL), Croatia eRačun Credit Note (UBL)
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeDelivery
(ram:ShipToTradeParty/ram:PostalTradeAddress and normalize-space(ram:ShipToTradeParty/ram:PostalTradeAddress/ram:CountryID) != '') or not (ram:ShipToTradeParty/ram:PostalTradeAddress)
Checked with EN 16931 Invoice (CII)
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeDelivery
(ram:ShipToTradeParty/ram:PostalTradeAddress and ram:ShipToTradeParty/ram:PostalTradeAddress/ram:CountryID!='') or not (ram:ShipToTradeParty/ram:PostalTradeAddress)
Checked with France Factur-X BASIC WL, Factur-X / ZUGFeRD BASIC WL