Office of Foreign Assets Control (United States)

The Office of Foreign Assets Control (OFAC) is an office of the United States Department of the Treasury that administers and enforces sanctions programmes under statutes, executive orders, regulations and delegated authority. It issues regulations and licences, makes or implements authorised designations, maintains sanctions lists, administers blocked-property rules and conducts civil enforcement. OFAC is a direct state institution, but it is not the sole author of United States sanctions policy and does not legally command every foreign bank or company that responds to its actions.

Organisational position and authority

As at 29 July 2026, OFAC sat within Treasury's Office of Terrorism and Financial Intelligence (TFI). Treasury Order 105-17 and programme-specific delegations define its place in the department. Congress enacts sanctions and emergency statutes. The President declares national emergencies and issues executive orders. The Secretary of the Treasury and, under some authorities, the Secretary of State exercise or share policy and designation functions. OFAC administers assigned functions within that legal chain.

OFAC originated in 1950 after earlier Treasury foreign-funds-control functions. Historical lineage does not make its current authority uniform. The Trading with the Enemy Act remains relevant to the grandfathered Cuba programme. The International Emergency Economic Powers Act supplies presidential authority for many peacetime emergency programmes. Other statutes add programme-specific requirements or powers. Each prohibition, designation, licence and penalty must be tied to the authority in force.

The Department of Justice handles criminal prosecutions. OFAC conducts administrative civil enforcement and refers matters where appropriate. FinCEN's anti-money-laundering rules and section 311 special measures are separate from OFAC designation and blocking authorities. Policy co-ordination across government does not merge these functions.

Programme administration and legal effects

OFAC's sanctions programmes vary by legal basis, target and scope. Some block property and interests in property. Others prohibit specified transactions, reject rather than block transfers, restrict dealings in debt or equity, require reporting, or expose a non-United States person to secondary sanctions. A programme page is therefore not a standard unit of intensity, and the number of pages cannot be treated as a count of comprehensively sanctioned countries.

Blocking immobilises covered property and interests in property within the applicable jurisdiction. It does not necessarily transfer title. A rejected transaction is not the same as blocked property. A transaction prohibition can apply without listing the counterparty. Secondary sanctions threaten specified consequences for certain conduct by non-United States persons under particular authorities; they are not a universal extension of primary United States jurisdiction.

The SDN List and OFAC's other sanctions lists are operational publications. The underlying programme law creates the legal consequence. Some blocked persons remain unlisted because an authority blocks a government, category or owned entity. Other OFAC lists impose restrictions short of full blocking.

Under the 50 Percent Rule, an entity is blocked when 1 or more blocked persons own, directly or indirectly, 50% or more of it in the aggregate. Control without qualifying ownership does not automatically block an entity under that rule, although other prohibitions, designation criteria and commercial risks can still apply. Screening only the name on a list is therefore insufficient for ownership analysis.

Jurisdiction, intermediaries and private adaptation

Primary sanctions commonly bind United States persons and transactions or property within United States jurisdiction, with exact scope set by the programme. A dollar payment can create a United States connection when it passes through a covered institution or account, but dollar denomination alone does not make every foreign transaction prohibited.

Banks, insurers, logistics providers, technology platforms and other firms implement legal duties where those duties apply. They also make risk decisions that go further. A foreign bank may withdraw from a lawful relationship because it fears secondary exposure, enforcement cost, correspondent-bank reaction, screening error or reputation damage. OFAC shapes these incentives, but voluntary de-risking and over-compliance remain private adaptation unless a legal command or documented direction requires the result.

This distinction separates formal reach from network amplification. A designation can trigger effects outside the immediate legal perimeter because market participants value access to United States finance and services. Those effects should be measured, not assumed. A refusal by one intermediary does not establish global exclusion, and aggregate market withdrawal does not prove the policy achieved its stated strategic objective.

Licensing and humanitarian authorisation

OFAC uses general and specific licences to authorise conduct that would otherwise be prohibited. A general licence applies publicly to defined conduct and conditions. A specific licence responds to a particular application. Neither is an exemption in the same legal sense as conduct excluded from a statute or regulation.

Humanitarian authorisations vary by programme. OFAC implemented the humanitarian exception required by United Nations Security Council Resolution 2664 across applicable counterterrorism programmes and maintains programme-specific guidance. Legal authorisation does not guarantee that a bank, carrier or supplier will process the transaction. Humanitarian access therefore depends on the licence text, due diligence, correspondent relationships, logistics and private risk tolerance.

The gap between authorisation and practical access is an institutional limit. OFAC can clarify and license, but it does not control every intermediary needed to complete a payment or shipment.

Civil enforcement and compliance guidance

OFAC investigates apparent violations and can impose civil penalties under applicable statutes and regulations. Liability rules, penalty limits, limitation periods and required mental states differ across authorities. Criminal charges belong to the Department of Justice and require separate attribution.

A Framework for OFAC Compliance Commitments describes the office's view of effective compliance programmes. It is guidance, not a regulation binding every firm in identical terms. Enforcement settlements can shape industry practice, but the distributed compliance response remains partly regulatory and partly private.

An enforcement action proves the facts admitted, found or established in its record. It does not prove that all comparable conduct is prohibited or that penalties alone changed a target state's behaviour.

Current programme and judicial boundaries

The United States ended its comprehensive Syria sanctions programme on 1 July 2025 while retaining targeted authorities and designations. As at 29 July 2026, Syria should not be described as either subject to the former comprehensive programme or wholly outside United States sanctions. The live programme register and underlying orders, statutes and regulations control.

The Tornado Cash litigation marks a separate statutory boundary. In Van Loon v Department of the Treasury, the Fifth Circuit held on 26 November 2024 that the immutable smart contracts before it were not property sanctionable under IEEPA. Treasury removed Tornado Cash from the sanctions list on 21 March 2025 after reviewing the legal and policy issues. The judicial holding and administrative delisting are distinct acts. The decision does not exempt every digital asset, protocol, mixer, person or mutable contract from sanctions authority.

Current lists and programmes change frequently. The Sanctions List Service, recent-action notices, regulations and programme documents must be checked on the publication date. A static list count or archived programme description cannot carry a present-tense legal claim.

Statecraft significance and limits

OFAC belongs in the main sequence because public authorities use its regulations, designations, licences and enforcement to deny access, impose costs, signal policy and support coercive campaigns. Its state nexus is direct and its intent is declared through the relevant programme instruments and official rationale.

Institutional capability does not establish campaign success. Strategic effect depends on jurisdiction, coalition action, intermediary response, available substitutes, enforcement and target adaptation. Designation alone does not prove compellence, degradation, humanitarian harm or durable market exclusion.

OFAC should therefore be understood as a sanctions administrator and civil enforcer inside a wider state apparatus. Congress, the President, Treasury, State, Commerce, Justice, foreign partners and private intermediaries perform separate roles. Treating the office as an autonomous global weapon obscures the law and weakens causal analysis.

See also

United States Department of the Treasury · Specially Designated Nationals and Blocked Persons List · OFAC 50 Percent Rule · Secondary sanctions · International Emergency Economic Powers Act (1977) · Trading with the Enemy Act (United States, 1917) · Financial Crimes Enforcement Network (FinCEN) · Office of Terrorism and Financial Intelligence (TFI) · Compliance cascade · Asset freeze · United States designation and delisting of Tornado Cash (2022-2025)

Sources

• Office of Foreign Assets Control, 'Sanctions Programs and Country Information', checked 29 July 2026.
• United States Department of the Treasury, 'Office of Terrorism and Financial Intelligence', checked 29 July 2026.
• United States Department of the Treasury, 'Treasury Order 105-17: Office of Terrorism and Financial Intelligence'.
• Office of the Law Revision Counsel, '50 U.S.C. chapter 35, International Emergency Economic Powers Act', checked 29 July 2026.
• Office of the Law Revision Counsel, '50 U.S.C. 4305, Trading with the Enemy Act authority', checked 29 July 2026.
• Electronic Code of Federal Regulations, '31 C.F.R. chapter V', checked 29 July 2026.
• Office of Foreign Assets Control, 'A Framework for OFAC Compliance Commitments' (2 May 2019).
• Office of Foreign Assets Control, 'Entities owned by persons whose property and interests in property are blocked', FAQ 401.
• Office of Foreign Assets Control, 'Frequently Asked Question 1105 on United Nations Security Council Resolution 2664'.
• United States Department of the Treasury, 'Treasury removes sanctions on Tornado Cash' (21 March 2025).
• Van Loon v Department of the Treasury, No. 23-50669, United States Court of Appeals for the Fifth Circuit, 'opinion' (26 November 2024).
• United States Department of the Treasury, The Treasury 2021 Sanctions Review (October 2021).
• Office of Foreign Assets Control, 'Recent actions: sanctions list updates', checked 29 July 2026.