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.

restriction of string