[3] For the 1948 elections, the PREN presented its presidential candidate, José Joaquin Vallarino.
[9] Remon conceived of the CPN as a system whereby political power was wielded by one faction of the official party and then another.
[10] Following Remon's assassination in 1955, the former PREN faction under Ricardo Arias guided the CPN, but when Ernesto de la Guardia was elected president in 1956, he lured the Liberal Democrat faction away from the National Liberal Party (PLN) and gave it dominance in the CPN.
[11] De la Guardia abetted friction among the parties in the official coalition.
[13] In 1960 PREN allied with the Popular Alliance (AP) and its candidate Víctor Florencio Goytía of National Liberal Party (PLN).