In the X3.15 standard, the X3 committee also addressed how ASCII should be transmitted (least significant bit first) and recorded on perforated tape.
ɪnðɪ ˈɛks θɹˈiː.fˈɪftiːn stˈændɚd, ðɪ ˈɛks θɹˈiː kəmˈɪɾi ˈɔːlsoʊ ɐdɹˈɛst hˌaʊ ˈæski ʃˌʊd biː tɹænsmˈɪɾᵻd lˈiːst sɪɡnˈɪfɪkənt bˈɪt fˈɜːst ænd ɹᵻkˈoːɹdᵻd ˌɔn pˈɜːfɚɹˌeɪɾᵻd tˈeɪp.