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Nacha IAT Definition Rule Takes Effect September 18

Nacha's final rule clarifying the definition of International ACH Transactions goes live September 18, tightening the scope of what must be flagged and screened for cross-border compliance. Operators processing payroll or vendor payments with any international leg need to audit existing transaction classification logic before the effective date.

SourceNacha BlogPublishedSeptember 1, 2026CheckedOctober 13, 2026

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