Office of the Comptroller of the Currency (OCC)
The Office of the Comptroller of the Currency (OCC) is the bureau of the U.S. Department of the Treasury that charters, regulates and supervises national banks, federal savings associations, and the federal branches of foreign banks. It is a prudential regulator: its concern is whether a bank is safe, sound, and complying with the law.
| Full name | Office of the Comptroller of the Currency |
| Parent agency | U.S. Department of the Treasury |
| Established | 1863, under the National Currency Act |
| Led by | The Comptroller of the Currency, a five-year presidential appointment |
| Supervises | National banks, federal savings associations, federal branches and agencies of foreign banks |
| Does not supervise | State-chartered banks, credit unions, most fintechs without a charter |
| Funding | Assessments on supervised institutions, not congressional appropriation |
| Core powers | Grant and revoke charters, examine, issue enforcement actions, impose civil money penalties |
| Relevant to identity | Examines BSA/AML programs, including Customer Identification Program compliance |
How it works
The OCC’s central instrument is the examination. Teams of examiners — resident on-site at the largest institutions — assess capital adequacy, asset quality, management, earnings, liquidity and sensitivity to market risk. The resulting confidential ratings drive supervisory attention and, indirectly, a great deal of what a bank can and cannot do.
Its authority begins with the charter. The OCC decides which institutions may operate as national banks, and it can revoke that permission. That gatekeeping role gives it power a purely rule-writing body does not have, and it is why charter applications from fintechs have been contested — a charter converts a company from a bank’s customer into the OCC’s supervised entity.
On financial crime, the division of labor confuses people. FinCEN writes the Bank Secrecy Act rules. The OCC examines whether the national banks it supervises follow them. When a large bank is penalized for AML failures, the action typically comes from the OCC or the Federal Reserve rather than from FinCEN, because the examination that found the failure was theirs.
Why it matters for identity verification
The Customer Identification Program rule requires a bank to verify the identity of anyone opening an account, keep records of the information used, and check names against government lists. For a national bank, whether that program is adequate is decided by an OCC examiner.
Adequacy is not a checkbox. Examiners look at whether the program is risk-based, whether controls match the institution’s actual customer profile, whether exceptions are documented, and whether the bank can evidence what it did and why. A program that passes on paper and fails in practice — high manual-review override rates, thin documentation of identity decisions, no measurement of its own error rates — is a finding.
That auditability requirement shapes what good looks like. A verification stack that returns a decision without a defensible record of how it reached one is a supervisory problem waiting to happen. Document authentication that records what was checked and why is worth more to an examiner than one with a marginally better accuracy figure and no audit trail. Microblink’s KYC and AML workflow is built around that — explainable decisions with the evidence retained.
OCC vs FDIC vs Federal Reserve
| OCC | FDIC | Federal Reserve | |
|---|---|---|---|
| Supervises | National banks and federal savings associations | State non-member banks | State member banks and holding companies |
| Charters banks | Yes, national charters | No | No |
| Deposit insurance | No | Yes — administers the fund | No |
| Monetary policy | No | No | Yes |
| Parent | U.S. Treasury | Independent agency | Independent central bank |
| Funded by | Assessments on supervised banks | Insurance premiums | Its own operations |
Which regulator a bank answers to follows from its charter, not its size or business model. That is why charter choice is a strategic decision rather than an administrative one.
What it can’t do
It does not supervise state-chartered banks. A great many U.S. banks hold state charters and answer to a state regulator alongside the FDIC or the Federal Reserve. OCC guidance does not bind them, though it often influences expectations across the industry.
It does not write the AML rules it enforces. Bank Secrecy Act requirements come from FinCEN. The OCC examines compliance with rules it did not author, which is why guidance from both bodies has to be read together.
It does not reach most fintechs directly. A company without a national charter is not an OCC-supervised entity. Its obligations arrive through its sponsor bank, and the examination happens at the bank — which is why sponsor bank relationships carry so much compliance weight.
Examination ratings are confidential. Supervisory ratings are not public and cannot legally be disclosed. Public enforcement actions are the visible tip of a much larger supervisory process.
Frequently asked questions
Is the OCC part of the Federal Reserve?
No. The OCC is a bureau of the U.S. Treasury Department. The Federal Reserve is an independent central bank. They supervise different sets of institutions and have different mandates.
Which banks does the OCC supervise?
National banks, federal savings associations, and the federal branches and agencies of foreign banks. State-chartered institutions answer to their state regulator alongside the FDIC or the Federal Reserve.
Does the OCC enforce anti-money-laundering rules?
It examines and enforces compliance with them at the institutions it supervises, but the rules themselves come from FinCEN. Large AML penalties against national banks typically originate with the OCC because the examination that found the failure was theirs.
How does the OCC affect fintech companies?
Usually indirectly. A fintech without a national charter is not OCC-supervised, but its sponsor bank is — so OCC expectations reach the fintech through that relationship, and the bank is accountable for its partner’s compliance.
Related reading
- FinCEN — the bureau that writes the rules the OCC examines against
- Sponsor bank — how OCC expectations reach companies it does not supervise
- Know your customer — the obligation examiners assess
- Client onboarding in financial services — what supervised onboarding looks like in practice
