The first edition of the standard was published in 1963, underwent a major revision during 1967, and experienced its most recent update during 1986.
ðə fˈɜːst ᵻdˈɪʃən ʌvðə stˈændɚd wʌz pˈʌblɪʃt ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː, ˌʌndɚwˈɛnt ɐ mˈeɪdʒɚ ɹᵻvˈɪʒən dˈʊɹɹɪŋ nˈaɪntiːnhˈʌndɹɪd sˈɪksti sˈɛvən, ænd ɛkspˈiəɹɪənst ɪts mˈoʊst ɹˈiːsənt ˈʌpdeɪt dˈʊɹɹɪŋ nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi sˈɪks.