LexisNexis ( October 19, 2017, 12:59 PM EDT) -- Given the fact that originators and other participants in the ACH networks have built systems and processes over decades that were keyed to the delayed processing that has historically been inherent in the ACH networks, on April 11, 2017, NACHA issued an ACH Operations Bulletin ahead of the second-phase effective date of the rollout of same-day ACH. NACHA ACH Operations Bulletin #2-2017. ...