Basic (03-25)
The Icelandic birth registration number (or "Kennitala" number) is issued at birth. the kennitala number consists of ten numeric digits, which include:
The first two digits represent the day of birth;
The next two digits represent the month of birth;
The net two digits represent the year of birth; and
The last four digits represent the century
NOTE:
Include the kennitala number on all correspondence. If you do not provide the kennitala number, provide the worker’s date of birth, place of birth, and name used when the person worked in Iceland.