Clearing Networks and Financial Messaging

Payment-network, messaging, and settlement concepts including FedACH, EPN, Nacha, SWIFT, ISO 20022, and electronic settlement.

Clearing networks and financial-messaging systems send instructions, route transaction data, clear entries, or support settlement between institutions. This branch covers FedACH, EPN, Nacha, SWIFT, ISO 20022, interbank networks, electronic settlement, EFTPOS, and straight-through processing. The broader electronic fund transfer concept has its canonical page in Banking.

Use these pages when a payment record, bank file, settlement report, payment message, merchant checkout record, or reconciliation issue depends on the rail or message standard. The key question is whether the term controls the payment instruction, network route, settlement timing, data format, or operational control.

What This Branch Covers

TermUse it for
FedACH ServicesFederal Reserve ACH operator processing, including file status, EPN exchange, scheduled settlement, Same Day ACH, returns, and controls.
Electronic Payments Network (EPN)The Clearing House’s ACH operator, including file processing, FedACH exchange, settlement, Same Day ACH, and controls.
NachaPrivate ACH rule administration, participant roles, authorizations, returns, Same Day ACH, and operational controls.
SWIFTFinancial messaging, BICs, correspondent routes, payment status, ISO 20022, settlement evidence, and security controls.
ISO 20022Financial business concepts and messages, including implementation profiles, validation, migration risk, STP, and reconciliation.
Electronic SettlementTransfer of cash or assets through electronic records, including gross and net models, finality, DVP, risks, and reconciliation.
Electronic Funds Transfer at Point of Sale (EFTPOS)Point-of-sale account debits, including authorization, clearing, settlement, merchant funding, cash out, routing, and reconciliation.
Straight-Through Processing (STP)End-to-end transaction automation analyzed through source data, validation, matching, exceptions, settlement, metrics, and reconciliation.

Decision Lens

Start by separating instruction, clearing, settlement, posting, and messaging. A network may move payment data, govern rules, clear entries, or support settlement, but those roles are not always the same.

Evaluation Checklist

  • Identify the payment rail, sender, receiver, financial institutions, message type, and settlement date.
  • Check whether the term is a network, rule body, message standard, settlement process, or automation method.
  • Separate bank posting from interbank clearing and final settlement.
  • Review return windows, reversals, cutoffs, fees, fraud signals, sanctions screening, and reconciliation evidence.
  • Use current network and institution records when timing, liability, or compliance matters.

Common Mistakes

  • Treating SWIFT as the same thing as settlement.
  • Assuming EFT identifies one single payment rail.
  • Confusing message formatting with the legal effect of payment finality.
  • Ignoring cutoffs, returns, and settlement timing when reconciling electronic payments.

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

Electronic Payments Network (EPN)

EPN is The Clearing House's private ACH operator. Learn how it clears ACH files, exchanges entries with FedACH, supports settlement, and differs from RTP and wires.

Electronic Settlement

Electronic settlement completes payment or securities obligations through account records. Learn clearing, gross and net settlement, finality, DVP, risks, and controls.

ISO 20022

ISO 20022 is a standard for financial business data and messages. Learn its structure, payment workflow, implementation risks, and relationship to SWIFT and STP.

Nacha

Nacha administers the private operating rules for the U.S. ACH Network. Learn its role, ACH participants, authorizations, returns, Same Day ACH, and controls.

Straight-Through Processing (STP)

Straight-through processing moves financial transactions through connected systems without routine manual re-entry. Learn the workflow, STP rate, exceptions, and risks.

SWIFT

SWIFT is a financial messaging network, not a bank or settlement system. Learn how SWIFT payments, BICs, correspondents, tracking, fees, and controls work.

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