This party split into two factions the following year, when Réal Caouette formed a separate group called the Ralliement des créditistes.
The PSCU seems to have disappeared after this time, and Poulin and his supporters seem to have joined the re-united Social Credit Party of Canada under Caouette's leadership in 1971 or thereafter.
During the 1981 provincial election, the Montreal Gazette described PCSU as a "hard core" Créditiste group and identified Poulin as a follower of Major C.H.
When interviewed by the paper, Poulin held up a copy of his party's manifesto and said, "This was written in 1966 and I haven't had to change a word.
[10] There was also a Jean-Paul Poulin who ran as a Liberal candidate in Labelle in the 1962 provincial election, but it is not clear if this was the same person.