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ACH and Wire Transfer Operations FAQs

What is an ACH transaction?

An Automated Clearing House (ACH) transaction is an electronic payment processed through the ACH network. ACH transactions may include direct deposits, recurring payments, business payments, and other electronic credits or debits.

What is a wire transfer?

A wire transfer is an electronic movement of funds between financial institutions or accounts. Wires are generally designed for faster, more direct settlement than many other payment methods and typically have specific authorization and verification requirements.

What is the difference between ACH and a wire transfer?

ACH transactions are processed through the ACH network and generally follow established processing cycles and rules. Wire transfers are processed through applicable wire networks and typically provide faster settlement. The applicable procedures, fees, cutoff times, and authorization requirements differ.

What information is required for an ACH transaction?

Depending on the transaction, information may include the originating and receiving account information, routing number, transaction amount, effective date, transaction type, and required authorization.

What information is required for a wire transfer?

Wire requirements vary by transaction and institution but may include the beneficiary's name and account information, receiving bank information, routing or SWIFT/BIC information when applicable, amount, purpose, and appropriate authorization.

What is an ACH originator?

An ACH originator is an individual or organization that initiates an ACH entry through its financial institution.

What is an ACH operator?

An ACH operator is an entity that processes ACH transactions between participating financial institutions. The Federal Reserve and The Clearing House operate ACH networks in the United States.

What is a wire transfer cutoff time?

A cutoff time is the deadline established by a financial institution or payment network for submitting a transaction for processing on a particular business day. Transactions submitted after the applicable cutoff may be processed on the next business day or according to applicable procedures.

Why are transaction limits used?

Banks may establish transaction limits based on customer risk, account type, transaction type, operational considerations, and fraud-prevention requirements. Additional approval or verification may be required for transactions exceeding established limits.

How should wire transfer requests be authenticated?

Employees should follow the bank's established authentication and verification procedures. Depending on the transaction, this may include customer authentication, callback procedures, multifactor authentication, documented authorization, and additional approval.

How should changes to wire instructions be handled?

Changes to existing payment instructions should receive appropriate independent verification. Employees should not rely solely on email or other potentially compromised communications to authenticate a change.

What is a callback?

A callback is an independent verification of transaction instructions by contacting an authorized individual through a trusted telephone number or other approved communication method.

What is ACH authorization?

ACH authorization is the permission required for an ACH transaction to be initiated. The form and requirements for authorization depend on the transaction type and applicable ACH rules and regulations.

What is an ACH return?

An ACH return occurs when an ACH entry cannot be completed or is returned by the receiving institution for an applicable reason, such as an invalid account, insufficient funds, or unauthorized transaction.

What is a wire recall?

A wire recall is a request to return funds after a wire has been sent. A recall is not necessarily successful because the ability to recover funds depends on factors such as whether the funds remain available and the cooperation of the receiving institution.

What should an employee do if a wire is sent in error?

The employee should immediately follow the bank's wire-error and incident-response procedures and notify the appropriate operations, fraud, or management personnel. Prompt action may improve the likelihood of stopping or recovering funds.

What due diligence is required on ACH originators?

Banks should understand the originator's business, assess the risk of the entry types it will send, establish and monitor exposure limits, obtain an origination agreement, and monitor return rates. Nacha rules impose return-rate thresholds for unauthorized and administrative returns, and exceeding them can trigger inquiry and potential enforcement. High-risk originator types may warrant enhanced review and tighter limits.

What is same-day ACH, and what changes operationally?

Same-day ACH provides additional processing windows so eligible entries can settle on the day of submission, subject to applicable dollar limits and cutoff times. Operationally, it compresses the window for fraud review and funding checks, which means controls designed around next-day settlement may need to be reassessed before an institution enables same-day ACH origination.

Can an ACH entry be reversed?

Only in limited circumstances defined by the applicable rules, such as certain duplicate or erroneous entries, and within specified timeframes and requirements. A reversal is not a general right to undo a payment because the originator changed its mind, and improper use of reversals may violate applicable rules.

Are wire transfers reversible?

Generally, wires do not have a chargeback right comparable to some other payment methods. Recovery after a wire has been sent generally depends on a timely recall request and the circumstances of the transaction. This is why verification before release and rapid response to suspected errors or fraud are critical.

What is the difference in liability between a fraudulent wire and a fraudulent ACH debit?

Liability depends on the payment type, account involved, applicable law, agreements, and facts. Certain consumer electronic fund transfers are subject to Regulation E protections, while wire transfers may be governed by different rules, including UCC Article 4A for applicable transactions. Business and consumer ACH transactions can also have different rights and return procedures. Banks should evaluate each situation under the applicable legal and network requirements.

How long does a receiver have to dispute an ACH debit?

The applicable return and dispute timeframe depends on the type of ACH entry, the account involved, the reason for the return, and the applicable Nacha rules and federal regulations. Consumer unauthorized-debit protections can provide specific return and error-resolution rights, while corporate ACH entries generally have different and shorter return periods.

What operational controls reduce payment fraud?

Important controls can include callback verification for changes to payment instructions, dual control over payment release, separation between payee setup and payment approval, exposure limits per originator and per day, out-of-band authentication for customer-initiated origination, transaction monitoring, and reconciliation designed to identify problems promptly.

What records should be maintained for ACH and wire transactions?

Banks should maintain records required by applicable laws, regulations, network rules, and internal policies. Records may include transaction details, authorization, verification, processing information, exceptions, returns, and related investigations.

What should employees do if payment instructions conflict with established procedures?

Employees should stop and seek appropriate guidance rather than bypassing controls. Exceptions should be handled only by authorized personnel and documented according to bank procedures.

Why is reconciliation important in payment operations?

Reconciliation helps ensure that transactions processed through ACH and wire systems are accurately recorded, settled, and reflected in the appropriate accounts. It can also help identify errors, unauthorized transactions, and operational issues.

What should customers do if they believe an ACH or wire transaction is unauthorized?

Customers should contact the bank immediately through an official communication channel and provide the relevant transaction information. Prompt reporting can help the bank investigate the transaction and take appropriate action.

Why are ACH and wire transfer controls important?

Effective controls help protect customers and the bank from fraud, errors, unauthorized transactions, operational losses, and regulatory violations while supporting accurate and timely payment processing.