Value MUST be part of code list 'ISO 6523 ICD list' or 'SEPA indicator'.
/ubl:Invoice/cac:PayeeParty/cac:PartyIdentification/cbc:ID
not(@schemeID) or (some $code in $clICD satisfies $code = @schemeID) or (some $code in $clSEPA satisfies $code = @schemeID)