A national trust bank has a federal national-bank charter from the Office of the Comptroller of the Currency (OCC). A state-chartered trust company is chartered under one state’s law and supervised by that state’s regulator. The charter determines the starting point for oversight and powers; it does not, by itself, tell you whether the institution takes deposits or whether any deposits are FDIC-insured.
A key update took effect on April 1, 2026: the OCC’s charter regulation describes national trust bank operations as trust-company operations and related activities, not fiduciary activities alone. That broader description is not a blanket permission to conduct any business. Applicable law, the institution’s articles and any OCC approval conditions still govern what it may do.
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The main differences
| Question | National trust bank | State-chartered trust company |
|---|---|---|
| Who grants the charter? | The OCC grants a federal national-bank charter under 12 U.S.C. § 27(a). | A banking or financial regulator grants a charter under the law of a particular state. |
| Who is the primary chartering and supervisory authority? | The OCC. | The state regulator. Additional federal oversight depends on the entity’s status, ownership and activities. |
| What activities may it conduct? | Its articles limit it to trust-company operations and related activities. The 2026 OCC rule clarifies that this scope is not limited to fiduciary activities, but each activity still needs applicable legal authority. | Its powers and requirements depend on state law, regulations, charter terms and regulator-imposed conditions. There is no single uniform set of state trust-company powers. |
| Does the charter mean it accepts deposits? | No. OCC guidance says most national trust banks do not take deposits. | No. The label alone does not establish whether a particular company accepts deposits. |
| Does the charter mean deposits are FDIC-insured? | No. OCC guidance says most national trust banks do not have FDIC insurance. | No. FDIC materials say most trust companies are not insured; status depends on the institution and applicable criteria. |
The comparison reflects the OCC’s final rule and interpretive letter, OCC institution and chartering materials, FDIC guidance, and state-regulator examples, including Utah’s Department of Financial Institutions. State examples illustrate the federal/state division; they do not establish the rules of every state. This overview is current to October 4, 2026.
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A national trust bank is a national bank chartered by the OCC under 12 U.S.C. § 27(a), with its articles limiting it to “the operations of a trust company and activities related thereto.” The OCC issued a final rule on February 27, 2026, effective April 1, 2026, aligning the wording of its chartering regulation with that statutory scope.
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The change matters because “trust-company operations” and “fiduciary activities” are not interchangeable legal categories. OCC Interpretive Letter 1176 distinguishes the charter authority in § 27(a) from the national-bank fiduciary-powers authority in § 92a, implemented in part through OCC regulations in 12 C.F.R. Part 9. A national trust bank is not confined to fiduciary activities as defined in Part 9; it may conduct activities permissible for a trust company when it has the applicable authorization.
The rule did not give every national trust bank permission to undertake every non-fiduciary activity. The institution’s articles, governing statutes and regulations, and any conditions attached to its OCC approval remain relevant. Nor did the rule turn a national trust bank into a general-purpose commercial bank.
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How oversight works
National trust banks
The OCC charters and primarily supervises national banks, including national trust banks. OCC chartering materials describe capital and liquidity considerations for trust-bank applicants, but the applicable requirements and conditions should be checked for the specific institution rather than assumed to match those of every other trust company.
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State-chartered trust companies
The regulator in the chartering state supervises a state-chartered trust company. The details depend on that state’s law and the company’s charter. Utah’s Department of Financial Institutions, for example, says it regulates and examines state-chartered trust companies, while the OCC regulates and examines national banks with trust powers. That is a state-specific illustration, not a nationwide rulebook.
Some state-chartered entities also have a federal bank supervisor. For state-chartered banks, the Federal Reserve supervises state member banks, while the FDIC supervises state nonmember banks and state-chartered savings associations; state banking regulators also supervise state banks. A nonbank trust company is not automatically supervised by the Federal Reserve or FDIC merely because it has a state charter. Ownership and activities can bring other oversight into play: FDIC examination materials note, for example, that trust companies owned by a bank holding company are also subject to Federal Reserve supervision.
Trust powers, geography and requirements are institution-specific
Neither charter type is categorically broader, cheaper, easier to obtain or simpler for interstate business on the information available here. A national charter has a federal statutory and regulatory framework. A state charter depends on the home state’s law and the regulator’s conditions. A company operating beyond its home state may also need to account for host-state requirements.
For a comparison between actual institutions, assess their permitted activities and legal authority, geographic permissions, capital and liquidity conditions, ownership structure, and deposit and insurance status. Do not infer these answers from the words “national trust bank” or “state-chartered trust company” alone.
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A trust charter does not establish that an institution accepts deposits, and accepting deposits does not by itself establish that every account or arrangement is insured. OCC guidance says most national trust banks neither accept deposits nor have FDIC insurance; FDIC materials say most trust companies are not insured. These are broad observations, not a determination about any named institution.
Also distinguish deposit accounts from assets held in custody or in a fiduciary relationship. FDIC insurance on qualifying deposit accounts is not a statement that investments or other customer assets are insured against loss. The treatment of a particular arrangement must be checked against the institution’s disclosures and applicable rules.
How to check a particular institution
- Confirm the charter. Determine whether the institution has an OCC national charter or a charter from a named state regulator. The OCC’s active financial-institution lists can help verify national institutions; the OCC trust-bank list was identified as active on August 31, 2026. State regulator directories may provide corresponding state information.
- Identify all relevant supervisors. Start with the chartering authority, then check whether the institution’s bank status, Federal Reserve membership, ownership or activities bring in another federal supervisor.
- Check the permissions that matter to you. Look for institution-specific authority and approval conditions for the service in question, such as fiduciary, custody, advisory, other non-fiduciary or deposit-taking activity. Do not treat the 2026 wording change as blanket authorization.
- Verify deposit and insurance status directly. Confirm whether the institution accepts deposits and whether the specific deposit account is covered. Do not treat custody or fiduciary assets as insured deposits without support from the applicable disclosures and rules.
- For interstate services, check both jurisdictions. Identify the home-state authority and any host-state requirements relevant to the institution’s activity.
For foundational rules, consult the OCC’s February 27, 2026 final rule and Interpretive Letter 1176; the OCC’s chartering and institution-list materials; the FDIC’s trust and fiduciary guidance and Trust Examination Manual, Section 10; and the relevant state regulator. For a named institution, verify its current charter, regulator, authorized activities, deposit-taking status and insurance status in official records.
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