NACHA's ACH Operations Bulletin #2-2019 was released March 11, 2019.
Executive Summary
The effective date of the new Same Day ACH processing window is deferred by 6 months until
March 19, 2021. The Federal Reserve Board of Governors (“Fed Board”) has informed NACHA
that it will not be able to provide timely notification of its approval for Federal Reserve services
necessary to enable the new window by the deadline provided for in the rule.