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      What is ACH and how does it affect your life? Here’s what you need to know.
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April 5, 2024
ACH Contact Registry
An industry resource – the ACH Contact Registry - was created for financial institutions to be able to more easily connect with other financial institutions about ACH operations, exceptions and risk management. In order for the ACH Contact Registry to be …
March 18, 2024
MINOR RULES TOPICS
These changes will amend the  Nacha Operating Rules to address a variety of minor issues and will become effective June 21, 2024. …
January 4, 2024
ACH Network Risk and Enforcement Topics
This Rule will improve the overall quality of the ACH Network by reducing the incidence of returned Entries and the associated costs, both financial and reputational, that such returned Entries impose on the ACH Network and its participants. The approach …
June 22, 2023
Micro-Entries (Phase 2)
This Rule will define and standardize practice and formatting of Micro-Entries, which are used by some ACH Originators as a method of account validation. This phase of the Rule requires Originators of Micro-Entries to use commercially reasonable fraud …
March 15, 2023
Third-Party Sender Roles and Responsibilities
This Rule clarifies the roles and responsibilities of Third-Party Senders (TPS) in the ACH Network by Addressing the existing practice of Nested Third-Party Sender relationships, and Making explicit and clarifying the requirement that a TPS conduct a Risk …
March 3, 2023
Supplementing Fraud Detection Standards for WEB Debits
The WEB Debit Account Validation Rule became effective March 19, 2021. The rule was originally approved by Nacha members in November 2018 to become effective January 1, 2020. The Nacha Board of Directors approved an extension in effective date to allow …
March 3, 2023
Expanding Same Day ACH
This rule expands access to Same Day ACH by allowing Same Day ACH transactions to be submitted to the ACH Network for an additional two hours every business day. The new Same Day ACH processing window became effective on March 19, 2021. Learn more about …
March 3, 2023
Differentiating Unauthorized Return Reasons
This rule better differentiates among types of unauthorized return reasons for consumer debits. This differentiation will give ODFIs and their Originators clearer and better information when a customer claims that an error occurred with an authorized …
March 3, 2023
Supplementing Data Security Requirements (Phase 1)
The existing ACH Security Framework including its data protection requirements is supplemented to explicitly require large, non-FI Originators, Third-Party Service Providers (TPSPs) and Third-Party Senders (TPSs) to protect deposit account information by …

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