With the amalgamation of the right-wing groups of the Riksdag's lower chamber, Swartz became a member of the inner council of the newly formed Nationella Partiet (English: The National Party) in 1912.
Co amalgamado dos grupos á dereita na cámara baixa do Riksdag, Swartz pasou a ser membro do consello interno do recentemente formado Nationella Partiet (en galego Partido Nacional) en 1912.