The alliance was formally abandoned for the 1955 elections. However, following the formation of the Sammarinese Independent Democratic Socialist Party (PSDIS) in 1957 by a merger of the PSDS and a breakaway group from the PSS, the name "Popular Alliance" was used for the coalition of the PDCS with the PSDIS. It was abandoned again in 1973 when the PDCS formed a government with the PSS.[1]
References
^Vincent E. McHale (1983) Political parties of Europe: Poland-Yugoslavia, Greenwood Press, p816