ˌɔn sɛptˈɛmbɚ nˈaɪn, wˈʌn θˈaʊzənd ˈeɪthˈʌndɹɪd fˈɪfti, həwˈaɪiːz mˈɪnɪstɚɹ ʌv fˈɔːɹən ɐfˈɛɹz, ɹˈɑːbɚt kɹˈaɪtən wˈɪli, ˈæskt sˌæn fɹænsˈɪskoʊz pˈoʊstmæstɚ dʒˈeɪ. bˈiː. mˈʊɹ tʊ ˈɪmplɪmənt ðə tɹˈiːɾiz mˈeɪl ɛkstʃˈeɪndʒ pɹəvˈɪʒən kwˈɪkli, tə səpˈoːɹt həwˈaɪiːz sˈɑːvɚɹˌɪnti ɐɡˈɛnst ˌɛni pətˈɛnʃəl fɹˈɛntʃ æmbˈɪʃənz ɪnðə həwˈaɪən ˈaɪləndz.
On September 9, 1850, Hawaii's Minister of Foreign Affairs, Robert Crichton Wyllie, asked San Francisco's postmaster J. B. Moore to implement the treaty's mail exchange provision quickly, to support Hawaii's sovereignty against any potential French ambitions in the Hawaiian Islands.