Partido Nacional Rumano
Subsequently, Pop de Băsești joined the National Party of Romanians in Transylvania. Between 12–14 May 1881, he participated at the national conference in Nagyszeben that sealed the merger of the National Party of Romanians in Transylvania with the National Party of Romanians in Banat and Hungary into the Romanian National Party (, PNR). Pop de Băsești was also elected in the executive committee of the party as the central coordinator for the Szilágy, Szatmár and Máramaros counties.