Payment Clearing House

A payment clearing house is the institution that operates a clearing system: the shared infrastructure through which banks exchange, verify, and net payment instructions before money actually moves between them. The clearing house itself does not necessarily hold the final settlement accounts; its job is to collect instructions from member banks, calculate what each bank owes and is owed, and pass the net figures on for settlement, usually at a central bank. Payment clearing houses exist because settling every individual transaction one by one, bank by bank, would be slow and would tie up far more liquidity than necessary.

The term covers organizations of very different sizes, from national automated clearing houses that process retail payments to specialist clearing houses for high-value interbank transfers. It is distinct from payment clearing, the process the institution carries out, and from a central counterparty (CCP), which clears securities and derivatives trades rather than payment instructions. Payment clearing houses are usually licensed or designated financial market infrastructures, overseen by a central bank or national payments regulator.

Think of a group of neighbors who run small errands for each other all day: one buys bread for another, who in turn fixes a fence for a third, and so on. Instead of everyone paying everyone else separately for every errand, one neighbor keeps a shared tally for the whole street and, at the end of the day, works out who owes what to whom in total, so far fewer payments actually have to be made.

A payment clearing house does this job for banks. Thousands of payments pass between banks every hour, and rather than each bank wiring money to every other bank for every single payment, the clearing house collects all the instructions, works out the net amount each bank owes or is owed, and only that smaller, netted amount needs to actually move. The individual payments are cleared; the net totals are what gets settled.

• It receives payment instructions submitted by member banks throughout a processing cycle or business day.
• It validates and matches those instructions against the clearing house's rulebook and messaging standards.
• It calculates each member's net position, a process central to netting, reducing the volume and value of transfers that need to settle.
• It passes the final net figures to a settlement agent or central bank account for final transfer.

Retail payment clearing houses, such as an Automated Clearing House (ACH) in the United States or Bacs in the United Kingdom, process high volumes of low-value payments like salaries, direct debits, and bill payments, typically settling on a deferred, batch basis through deferred net settlement (DNS). High-value payment clearing houses, including systems such as CHAPS in the UK or CHIPS in the United States, handle large, time-critical transfers, sometimes settling individually rather than in net batches when the value of a single payment is too large to wait. A single country can operate several payment clearing houses side by side, each dedicated to a different type of payment, rather than routing every transaction through one general-purpose system.

Clearing and settlement are separate functions, even when carried out by closely linked institutions. A payment clearing house produces net obligations; the actual, final movement of funds then usually happens across accounts at a central bank, often using a real-time gross settlement (RTGS) system. This separation is why a bank can be a member of a payment clearing house without necessarily being a direct settlement member of the settlement system it feeds into, relying instead on a larger bank to settle on its behalf.

Because a payment clearing house sits at the center of a country's or region's payment flows, it is treated as critical infrastructure. Oversight typically follows the international Principles for Financial Market Infrastructures (PFMI) published jointly by the Bank for International Settlements (BIS) and securities regulators, and national supervisors such as a country's central bank or, in the United States, bodies acting under the framework shaped by the Dodd-Frank Act. Clearing houses are required to manage systemic risk carefully, since an operational failure or a member default inside the clearing process can disrupt payments across an entire economy, not just the two parties to a single transaction. Supervisors typically require regular stress testing, resilient backup processing sites, and clear rules for how losses from a member default would be absorbed before any such disruption could occur.

• Committee on Payments and Market Infrastructures (BIS)
• Federal Reserve: Payment and Settlement Systems