ˌɔn twˈɛnti nˈaɪn mˈeɪ nˈaɪntiːnhˈʌndɹɪd twˈɛnti θɹˈiː, ðə mˈænɪdʒɪŋ bˈoːɹd ʌv ˈɑːɹkoʊz dᵻsˈaɪdᵻd tʊ ɪstˈæblɪʃ ɪts ˈoʊn bˈæŋk tə hˈændəl ðə faɪnˈænʃəl tɹænsˈækʃənz ʌvðɪ ˌɔːɹɡɐnəzˈeɪʃən.
On 29 May 1923, the Managing Board of Arcos decided to establish its own bank to handle the financial transactions of the organisation.