Henkilöllisyystunnus
Henkilöllisyystunnus, often abbreviated as HETU, is the Finnish personal identity code. It is a unique alphanumeric identifier assigned to all individuals residing in Finland and those with a Finnish connection, such as Finnish citizens living abroad. The primary purpose of the henkilöllisyystunnus is to enable unambiguous identification of individuals in various administrative and legal contexts.
The structure of the henkilöllisyystunnus consists of personal identification numbers and a check digit. The personal
Finally, the henkilöllisyystunnus concludes with a single check character, which is a letter. This check character