Fixed value
ISO639-1
Rules
Identifier/Error message Flag
PEPPOL-T001-R022
[PEPPOL-T001-R022] PreferredLanguageLocalCode MUST have a list identifier attribute.
fatal
PEPPOL-T001-R023
[PEPPOL-T001-R023] listID for PreferredLanguageLocaleCode MUST be 'ISO639-1'.
fatal