One  of  the  founders of an insurance fund that conducts non-commercial insurance activities in compliance with the Employee’s or Self-employed Person’s Pensions Act or the Health Insurance Act must  have  an  EU  nationality,  must  be  an  EU undertaking  or  be  a  foundation  whose  home  member  state  is  an  EU  country,  unless  the Financial Supervision Authority has granted an exemption.
"Section 1:
The Insurance Fund is an insurance institution which, without engaging in insurance business, grants in its area of ​​activity:
1) old-age, invalidity, unemployment, survivors' and part-time pensions;
2) compensation for death, illness, defect or injury;
3) compensation for the costs of rehabilitation provided for the prevention of illness or incapacity for work or for the improvement of work and earning capacity;
4) funeral allowance;
5) voluntary additional benefits referred to in the Act on Contribution-Based Supplementary Pension Schemes in Pension Foundations and Pension Funds (173/2009);
6) other benefits that can be considered to be covered by social personal insurance activities.

The activities referred to in subsection 1 above may be carried out, unless otherwise provided elsewhere in law, only by the Insurance Fund under this Act.

This Act does not apply to an unemployment fund within the meaning of the Unemployment Insurance Act (603/84).

Section 2:
The provisions of this Act shall apply to an insurance fund which carries out activities pursuant to the Employees' Pensions Act (395/2006), the Self-employed Person's Pensions Act (1272/2006), the Health Insurance Act (1224/2004) or the Social Insurance Institution's Rehabilitation Benefits and Rehabilitation Benefits Act (566/2005), unless otherwise provided in said Acts.
[...]

Section 10:
The insurance fund may be established by one or more founders. The founder must be a citizen of Finland or an EEA state or an association or foundation domiciled in Finland or another EEA state. A general partnership or a limited partnership may be the founder, provided that the partners who are personally liable for the company's obligations are citizens of Finland or another EEA state. With the permission of the Financial Supervision Authority, another entity or foundation may be a founder.

The central administration of a pension fund engaged in supplementary pension activities must be located in Finland. The seat of the central administration means the place where the key strategic decisions of the EEA Supplementary Pension Fund are taken.
[...]"
(Act on Insurance Funds (1164/1992), Sections 1, 2 and 10 [google translation])
Act on Insurance Funds (1164/1992), Sections 1, 2 and 10
[<a href="https://www.finlex.fi/fi/laki/ajantasa/1992/19921164">Act</a>]