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Sunday, September 27, 2026
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Research cutoff: Official sources reviewed September 27, 2026. Stories show source dates; deep dives show publication dates and link to dated evidence.
Bank & fintechEffective rule changeEffective Sep 18, 2026
ACH funds-availability change is now in effect
A Nacha rule effective September 18 removes the prior-day 5 PM receipt condition for the 9 AM availability requirement on non-Same Day ACH credits. Receiving institutions may need changes for files arriving late the prior day or in the early morning.
Why it matters
Analysis
Analysis: test posting and available-balance timing across payroll, refunds and other credit flows, including weekends and exception queues. A documented rule change is only useful to customers if the ledger, digital balance display and service team give consistent answers.
What remains uncertain
This concerns non-Same Day ACH credit availability, not the effective date of Nacha’s separate fraud-monitoring changes. Limited time-zone exceptions apply; consult the rule for exact coverage.