The superiors-general were at first elected for life, but in 1474 Pope Sixtus IV caused them to be voted for every three years.
ðə suːpˈiəɹɪɚzdʒˈɛnɚɹəl wɜːɹ æt fˈɜːst ᵻlˈɛktᵻd fɔːɹ lˈaɪf, bˌʌt ɪn wˈʌn θˈaʊzənd fˈoːɹhˈʌndɹɪd sˈɛvənti fˈoːɹ pˈoʊp sˈɪkstəs ɹˌoʊmən fˈoːɹ kˈɔːzd ðˌɛm təbi vˈoʊɾᵻd fɔːɹ ˈɛvɹi θɹˈiː jˈɪɹz.