Finland - 1969 Party Law

Title Section 6
Article

6

A political party that fails to gain a parliamentary seat in two consecutive parliamentary elections is deleted from the party register. The same applies if a political party ceases to be a registered association.
A party may also apply for deletion from the register.

Categories - Extra-parliamentary party (Cease of existence)
- Extra-parliamentary party (Registration reqs.)
Source http://www.finlex.fi/fi/laki/ajantasa/1969/19690010 (Accessed: August 2012)