Voluntary pension savings (III pillar)
The third pillar pension system constitutes voluntary pension insurance and implies individual savings in voluntary pension funds of open-ended or closed-ended type. Open-ended pension funds are open for membership to any natural person interested in becoming a member of an open-ended pension fund, whereas closed-ended pension funds form their membership out of natural persons who are either employed with an employer, or are trade union members, members of associations of self-employed persons or self-employed persons.