ded:Definition: An attribute of countryCode and
subDivisionCode that contains two-alpha, three-alpha, or numeric code in
either full or short urn form according to the GENC standard, identifying
the country.
ded:Obligation: (Conditional) Mandatory if
countryCode is present. Mandatory if subDivisionCode is present.
ded:Comment: A permissible value according to the vocabulary specified in
the codespace.