The Schengen member states have jointly agreed about the rules concerning the movement of third-country nationals in their territories and decided which countries' citizens are required to present a visa. Furthermore, each Schengen State has decided which travel documents citizens of different third countries have to present upon entering the country.
Even if you did not need a visa to visit Finland, you need a valid passport or some other travel document accepted by Finland. It must be valid for at least ninety days after your intended date of departure from the Schengen area.
In addition, the passport or other travel document must have been issued no later than ten years ago.
For more information on visa requirements and travel documents accepted by Finland please visit: https://um.fi/visa-requirement-and-travel-documents-accepted-by-finland
Visas to Finland must be applied at the Visa Application Centre indicated by a Finnish mission, at a Finnish mission or at a Schengen country mission representing Finland:
https://um.fi/visa-to-visit-finland#Where%20and%20how%20to%20apply%20for%20a%20visa?
Even if you did not need a visa to visit Finland, you need a valid passport or some other travel document accepted by Finland. It must be valid for at least ninety days after your intended date of departure from the Schengen area.
In addition, the passport or other travel document must have been issued no later than ten years ago.
For more information on visa requirements and travel documents accepted by Finland please visit: https://um.fi/visa-requirement-and-travel-documents-accepted-by-finland
Visas to Finland must be applied at the Visa Application Centre indicated by a Finnish mission, at a Finnish mission or at a Schengen country mission representing Finland:
https://um.fi/visa-to-visit-finland#Where%20and%20how%20to%20apply%20for%20a%20visa?