ˌoʊvɚ ðə jˈɪɹz, də kˈæstɹoʊ ɹᵻmˈeɪnd ɪn ɡˈʌvɚnmənt ænd ɡɹˈædʒuːəli ɹˈoʊz θɹuː ðə ɹˈæŋks ʌntˈɪl hiː wʌz ɐpˈɔɪntᵻd æz ðə kəmˈɪʃənɚɹ ʌv fˈaɪnæns ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi fˈoːɹ.
Over the years, de Castro remained in government and gradually rose through the ranks until he was appointed as the Commissioner of Finance in 1934.