Value MUST be part of code list 'ISO 3166 Alpha-2 Country codes'.
/espd:ESPDResponse/espd-cac:EconomicOperatorParty/espd-cac:RepresentativeNaturalPerson/cac:PowerOfAttorney/cac:AgentParty/cac:Person/cac:ResidenceAddress/cac:Country/cbc:IdentificationCode(some $code in $clespd-CountryCodeIdentifier satisfies $code = normalize-space(text()))