-   The unique number the government assigns to a citizen.
-   When an EmiratesIDNumber is not available :
-   000-0000-0000000-0 National without card
-   111-1111-1111111-1 Expatriate resident without a card
-   222-2222-2222222-2 Non national, non-expat resident without a card
-   999-9999-9999999-9 Unknown status, without a card.

<xs:simpleType name="ReferralEmiratesIDNumber">
    <xs:annotation>
        <xs:documentation>
        -   The unique number the government assigns to a citizen.
        -   When an EmiratesIDNumber is not available :
        -   000-0000-0000000-0 National without card
        -   111-1111-1111111-1 Expatriate resident without a card
        -   222-2222-2222222-2 Non national, non-expat resident without a card
        -   999-9999-9999999-9 Unknown status, without a card.
      </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:string">
        <xs:minLength value="1" />
        <xs:pattern value="[0-9]{3}-[0-9]{4}-[0-9]{7}-[0-9]{1}" />
    </xs:restriction>
</xs:simpleType>