Danish organization number (CVR) MUST be stated in the correct format.
cbc:EndpointID[@schemeID = '0184'] | cac:PartyIdentification/cbc:ID[@schemeID = '0184'] | cbc:CompanyID[@schemeID = '0184']
(string-length(text()) = 10) and (substring(text(), 1, 2) = 'DK') and (string-length(translate(substring(text(), 3, 8), '1234567890', '')) = 0)