IDNtunnus
IDNtunnus is a Finnish term that translates to "identity code" or "identification number." It generally refers to a unique numerical identifier assigned to individuals or entities within a specific system or registry. The most common and widely recognized IDNtunnus in Finland is the personal identity code, known as henkilitunnus or henkilötunnus, often abbreviated as HETU. This code is used for a multitude of purposes, including accessing public services, employment, healthcare, and banking.
The henkilitunnus is a complex identifier that includes a person's date of birth, a unique three-digit number,