ɪn noʊvˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi θɹˈiː, bˈʌtmən wʌz ᵻlˈɛktᵻd tə ðə ɹˈaɪxstæɡ fɹʌm ᵻlˈɛktɚɹəl kənstˈɪtʃuːənsi twˈɛnti fˈoːɹ, ˌʌpɚ bɐvˈɛɹiəswˈɑːbiə wˌɛɹ hiː wʊd kəntˈɪnjuː tə sˈɜːv ʌntˈɪl nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi fˈaɪv.
In November 1933, Buttmann was elected to the Reichstag from electoral constituency 24, Upper Bavaria-Swabia where he would continue to serve until 1945.