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Entry · Legal

Regulation F (Interbank Liabilities)

Federal Reserve Regulation F, in 12 CFR Part 206, sets standards for insured depository institutions to manage exposure to other depository institutions, called correspondents. It combines prudential policies with rules for interday credit exposure. This is the interbank-liabilities Regulation F, not the CFPB debt-collection regulation carrying the same letter.

From the Money Master HQ dictionary, founded by Shihan Sheriff (FCMA, VP of Finance at Nomod, CFO at Esanjo Ventures). How these definitions are written.

What it means

Banks depend on other banks for services and financial transactions, and that relationship can create credit, liquidity and operational risk if the correspondent fails or cannot perform. Regulation F seeks to limit excessive exposure through assessment, internal controls and specified credit-exposure rules.

The Federal Reserve describes covered institutions as banks, savings associations and foreign-bank branches with FDIC-insured deposits, and correspondents are the depository institutions with which they do business. This US framework is not automatically the rule for every institution or jurisdiction worldwide.

Written policies must address correspondent selection and termination, and significant exposures require periodic financial-condition review. Relevant factors include capital, overdue or nonaccrual loans, earnings and other signs of deterioration.

Internal limits should reflect the correspondent's condition and the exposure's form and maturity, and monitoring must account for how close exposure is to limits, its volatility and the correspondent's condition. Procedures must address excesses, and the board must review and approve the policies at least annually.

A specific rule limits interday credit exposure to an individual correspondent to 25% of the exposed bank's total capital unless it can demonstrate that the correspondent is at least adequately capitalised, and the capital denominator belongs to the exposed bank. The adequately-capitalised exception does not eliminate prudential management, since the Federal Reserve's summary says the rule does not specify that limit for qualifying correspondents but internal policies still apply.

Avoid presenting the exception as unlimited permission to concentrate risk. Credit exposure is a defined calculation, not simply every cash movement through the relationship.

The rule includes specified assets and off-balance-sheet items, permits valid enforceable netting and allows particular exclusions, and intraday and settlement exposures excluded from that calculation should not be mistaken for risks that require no management. Evidence of the correspondent's capital status needs updating under the rule.

If the bank can no longer demonstrate adequate capitalisation, including because relevant information is unavailable, the exposure-reduction provision becomes important, so a manager should distinguish a monitored exception from an unsupported assumption that yesterday's status still holds.

In practice

Real-world examples.

1

Example

A fictional insured bank has $80 million of total capital and $18 million of calculated interday exposure to one correspondent. Its ratio is 22.5%. That comparison does not establish complete compliance with internal policies or other prudential requirements.

2

Example

A fictional bank relies on a correspondent's adequately-capitalised status to support exposure above the general percentage limit. It continues to review that status and monitor internal limits. The exception changes the specified cap's application, not the need to manage the relationship.

3

Example

A fictional treasury team reports a gross transaction balance as its regulatory credit exposure without examining netting or exclusions. Compliance revisits the calculation under the rule's definitions. A convenient dashboard number is not necessarily the amount the regulation measures.

Formula

Calculation

Illustrative exposure ratio = calculated interday credit exposure to one correspondent / exposed bank's total capital x 100%. For fictional exposure of $18 million and total capital of $80 million, the ratio is $18 million / $80 million x 100 = 22.5%. 25% of $80 million is $20 million, so the exposure sits $2 million below the general threshold. This is only a simplified threshold comparison. The actual exposure must use applicable definitions, netting and exclusions, and the correspondent's demonstrated capital status affects the rule's application. It is not an instruction to lend up to the calculated amount or a complete compliance certification.

Case study

Seen in the real world.

In this fictional case, Northbank Services relies heavily on a correspondent for banking operations. An internal report treats the relationship as safe because the correspondent had adequate capital in an older assessment. Risk staff notice that current supporting information has not been obtained. They separate operational dependence from the defined credit-exposure calculation. The team reviews the available financial information, checks internal limits and escalates uncertainty about the capital-status exception.

It does not simply carry forward the prior label or assume that every balance is excluded. The board receives a clearer explanation of the concentration, evidence gaps and applicable procedures. Northbank's review does not predict a correspondent failure. It addresses how the bank monitors and controls a relationship whose condition and exposure can change.

Watch out

Common mistakes.

  • Applying the percentage to the correspondent's capital, deposits or ordinary customer lending rather than the defined interday exposure ratio.
  • Treating adequately-capitalised status as permanent or as a waiver of all internal prudential controls.
  • Using a gross transaction balance without reviewing the calculation rules, or confusing this regulation with debt-collection Regulation F.

Questions

People also ask.

Does the general 25% rule always apply?

The specified limit has an adequately-capitalised correspondent exception. Internal policies and other requirements still matter.

Are intraday exposures irrelevant?

No. Exclusion from the defined credit-exposure calculation does not remove the need to consider operational and liquidity risks.

Is this the debt-collection Regulation F?

No. This entry concerns Federal Reserve Part 206 on interbank liabilities, not the CFPB consumer debt-collection framework.

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Last updated · October 8, 2026
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