On 27 July a Swiss Party Conference was held in Bern, in which Karl Hofmaier was removed from his position as a result of a financial scandal.

On 4–6 July 1949, the 4th Congress was held, during which steps to strengthen the organization as a Cadre Party were taken.

In 1950, the party worked intensively for the Stockholm Appeal, collecting 260 000 signatures from the Swiss population.

Holding two seats in the Swiss National Council (the lower chamber of the Swiss parliament) going into the 2007 elections, the party stood candidates in the cantons of Zürich, Vaud, Geneva and Ticino on their own; in Neuchâtel the candidate appeared on a joint list with Solidarity.

[16] However, on 1 November 2007 Huguenin announced her resignation from the National Council to focus on her position as mayor of Renens, Vaud, leaving Zisyadis to take the Party's seat in the National Council representing Vaud.