ɪn ðɪs kəpˈæsᵻɾi, hiː sˈɜːvd æz ɐ tʃˈiːf nᵻɡˈoʊʃɪˌeɪɾɚ bᵻtwˌiːn ðə ɹˈaɪx ænd ðə hˈoʊli sˈiː ˌoʊvɚ ðə dʒuːlˈaɪ nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi θɹˈiː ɹˈaɪxskɔŋkˌoːɹdæt.
In this capacity, he served as a chief negotiator between the Reich and the Holy See over the July 1933 Reichskonkordat.