Start by mapping every jurisdictional connection and transaction touchpoint, then screen counterparties and beneficial owners against current official sanctions lists. Before an Iran-related payment, shipment, service, technology transfer or digital-asset transaction, document whether a prohibition, exemption, general license or specific license applies. Preserve the screening, ownership, licensing, shipping, payment, escalation and reporting record. Because Iran measures changed through new designations, licenses, alerts, FAQs and regulations in October 2026, compliance must be operated as a live process rather than a one-time checklist.
What changed in the 2026 Iran sanctions environment
The Office of Foreign Assets Control (OFAC) Iran program page now lists 2026 notices, alerts, general licenses, regulations and sector determinations. Its recent-actions index records Iran-related designations and amended general-license actions on October 1, 5, 8 and 15, 2026. A control that was correct last quarter can therefore be wrong today.
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The June 23, 2026 OFAC–Office of Financial Sanctions Implementation (OFSI) comparative overview explains that U.S. and UK authorities use different legal frameworks but both expect companies to consult the regulation or guidance that answers the specific question. The overview covers sanctions-list screening, licensing, recordkeeping and reporting; it is not a substitute for the rule governing your transaction.
Apply the stricter applicable requirement where a deal touches more than one regime, and obtain advice when the rules conflict. A U.S. person, a UK person, an EU entity, a company using a U.S. dollar clearing bank, and a business operating through a UK branch may have different obligations for the same shipment.
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Step 1: Map your jurisdictional and operational exposure
Build a transaction map before reviewing a particular customer or invoice. Record each connection separately so a hidden nexus cannot be dismissed as “just a foreign deal.”
- People and entities: incorporation, headquarters, branches, employees, agents, directors, beneficial owners and controlling shareholders.
- Financial connections: banks, correspondent banks, payment processors, insurers, lenders, custodians, currencies and clearing systems.
- Physical movement: origin, destination, transit ports, free-trade zones, vessels, vessel owners, managers, operators and port-service providers.
- What is supplied: goods, Iranian-origin content, petroleum or petrochemicals, software, cloud services, communications items, technical support and other services.
- Digital activity: wallets, exchanges, custodians, brokers, application programming interfaces and payment rails.
Maintain separate fields for U.S. and UK nexus, then add any EU or other local controls that apply to your company, staff, goods or destination. A third-country intermediary does not erase an Iran connection.
Step 2: Classify the transaction before screening it
Classification determines which lists, prohibitions and authorizations must be checked. Ask these questions for every order, service ticket and payment:
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- Does the transaction involve Iran, the Government of Iran or an Iranian financial institution?
- Is any party an individual or entity on an applicable sanctions list, or owned or controlled by a listed party?
- Does the activity touch a sanctioned sector, Iranian-origin goods, petroleum or petrochemicals?
- Is an intermediary being used to conceal the end user, end use, origin, destination or payment path?
- Would the proposed service, software, cloud activity or technical assistance itself be restricted?
Classify the entire flow, not just the sales contract. A permissible product can become prohibited when payment, insurance, financing, a blocked bank or a restricted end user is added.
Step 3: Screen names, ownership and control
Use current official lists
Screen customers, suppliers, agents, banks, vessel parties, insurers, end users, wallet providers and beneficial owners against the current official lists relevant to each jurisdiction. Capture the list version or screening date, data source, search terms, result and reviewer.
Investigate, rather than auto-blocking every name hit
A similar name is not automatically the sanctioned party. Compare legal name, aliases, date of birth or incorporation, address, registration number, nationality, vessel identifiers and ownership information. Resolve a false positive in writing; if identity cannot be established, hold the transaction and escalate.
Apply ownership analysis
Request an ownership chart that reaches the natural persons who ultimately own or control the counterparty. Check intermediate holding companies, nominee directors, recent share transfers and common control. Screen the owners again when ownership, management, bank details or business purpose changes.
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Rescreen at meaningful trigger points
Run screening when a new designation, license, FAQ, regulation or enforcement action is published; when a counterparty changes; before each high-risk payment or shipment; and when a transaction is amended. Keep an audit trail showing who reviewed an alert and why the relationship continued or stopped.
Step 4: Prove the legal basis for proceeding
General licenses and exemptions
Never rely on a license title or a sales summary. Read the exact general-license or exemption text, including eligible persons, goods, services, dates, payment conditions, wind-down provisions, reporting clauses and exclusions. Match those conditions to the actual invoice, end user, bank, route and timing. Save the text and your written analysis with the transaction file.
Specific licenses
OFAC states that a specific license can authorize an otherwise prohibited transaction. Its Iran policy carries a presumption of denial except in limited circumstances, such as legal requirements or risks to life, limb or environmental safety. Do not treat an application, informal conversation or pending request as permission to proceed; wait for written authorization and follow every condition.
When no authorization is clear
Stop the transaction, prevent funds or goods from moving, and obtain qualified sanctions counsel. Do not redesign invoices, split payments, substitute an intermediary or route through a third country to make a prohibited deal appear unrelated to Iran.
Step 5: Control intermediaries, routing and trade documents
Require complete information before approving an Iran-related transaction:
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- Beneficial ownership and control of every commercial party and financial institution.
- End user, end use, product classification, origin and destination.
- Vessel name and identifiers, owner, manager, operator, insurer, charterer and ports.
- Full payment path, currencies, correspondent banks and any digital-asset wallet or exchange.
- Contracts, invoices, bills of lading, certificates of origin, insurance documents and licenses.
A third-country route requires the same analysis as a direct route. Escalate multiple unexplained transfers, shadow payment channels, opaque ownership, inconsistent commercial descriptions, unusual transshipment, AIS or documentation anomalies, last-minute bank changes and requests to remove Iran references. These patterns can indicate evasion even when no single document names Iran.
Sector-specific controls
Finance and digital assets
OFAC FAQ 1250 says Iranian digital-asset exchanges meet the regulatory definition of Iranian financial institutions. Property in the possession or control of U.S. persons is blocked and must be reported to OFAC. A company handling wallets, exchanges, custodians or payment processors should therefore apply enhanced due diligence, identify wallet ownership and counterparties, trace transaction history where available, and define a hold-and-escalate process for exposure involving a U.S. person.
Do not generalize that statement into a worldwide ban on every crypto transaction. The effect depends on the exchange’s status, the parties’ jurisdictional connections, the asset and the applicable authorization. Obtain advice before releasing or returning assets that may constitute blocked property.
Shipping, petroleum and trade finance
OFAC’s April 16, 2025 maritime advisory identifies significant exposure for shipping companies, vessel owners, managers, operators, insurers, port operators, port-service providers and financial institutions involved with Iranian petroleum and petrochemicals. It describes multiple transfers, shadow payment channels and complex opaque ownership as evasion methods.
The advisory reports approximately 1.6 million barrels per day of Iranian crude oil and 0.4 million barrels per day of refined petroleum products, measured by OFAC in 2025. It also says Kharg Island accounted for around 90 percent of Iran’s total seaborne crude loadings. These figures provide sector context, not a transaction threshold or safe harbor.
“The Iranian regime relies on deceptive international trade practices to evade sanctions and sell its petroleum and petroleum products at a discount.”
For maritime deals, reconcile AIS history, bills of lading, vessel ownership, insurance, port calls, cargo origin and payment instructions. Investigate unexplained gaps, ship-to-ship transfers, frequent renaming or flag changes, and documents that do not match the physical route.
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“Humanitarian” is not a blanket permission. Confirm the exact regulation or general license, eligible end users, payment channel, documentation and reporting conditions. Food, medicine or ordinary consumer goods may still raise issues through a blocked bank, restricted insurer, listed owner or prohibited service. Pause when a condition is unclear.
Technology and services
Review whether software, cloud hosting, communications equipment, maintenance, technical support or remote access is authorized. Identify the actual user, administrator, hosting location, Iranian intermediary and any blocked person receiving a benefit. Control access provisioning, updates, support tickets and data transfers, not only the initial sale.
Recordkeeping and reporting
Keep a transaction file that allows an independent reviewer to reconstruct the decision. Include the risk assessment, screening outputs, ownership evidence, license or exemption, contracts, invoices, shipping records, payment instructions, approvals, escalation notes and any blocked-property action.
Retention periods depend on the applicable regime and the company’s role. Configure your records system to meet each relevant OFAC, OFSI and other authority requirement rather than applying one assumed period to every file. Preserve records in a searchable format, protect them from alteration and link amendments to the original transaction.
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Assign ownership
Name a sanctions-control owner with authority to stop transactions. Define who reviews alerts, who approves licensed activity, who contacts counsel, who files reports and who informs senior management.
Monitor official changes
Subscribe to OFAC and OFSI updates and review designations, amended licenses, FAQs, advisories, regulations and enforcement actions. Record the date reviewed, changes found, affected products and procedure updates. Reassess after a new supplier, market, bank, vessel, payment rail or technology feature is introduced.
Train and test
Train sales, procurement, logistics, treasury, customer support, engineering and executives on their specific decisions. Test name-screening quality, ownership collection, escalation speed, license matching, payment holds and incident reporting. Document test results and corrective actions.
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What to do when a potential violation appears
- Place an immediate hold. Stop shipment, payment, account access or service delivery while preserving the status quo.
- Secure evidence. Retain messages, invoices, screening results, device or wallet identifiers, shipping data and approval records.
- Define the facts. Identify the parties, ownership, goods or services, dates, jurisdictions, route and amount; separate confirmed facts from assumptions.
- Escalate. Send the file to the sanctions owner and qualified counsel. Do not tip off a counterparty or alter records.
- Determine reporting and remediation. Follow the applicable authority’s reporting process, block or reject property as required, correct controls and document the decision.
How the main regimes fit into one review
| Review dimension | United States | United Kingdom | European Union or another applicable regime |
|---|---|---|---|
| Primary authority to consult | OFAC Iran program, regulations, licenses, FAQs and list updates | OFSI sanctions lists, guidance, licenses and reporting rules | The competent national or regional authority and the regulation governing the transaction |
| Jurisdiction questions | U.S. persons, U.S. branches, U.S.-origin items, dollar clearing and other U.S. nexus | UK persons, UK entities and branches, UK activity and other UK nexus | Nationality, incorporation, establishment, personnel, goods, services and destination under local law |
| Ownership and control | Screen listed parties and investigate ownership and control before relying on a license | Apply the applicable ownership-and-control test and document the analysis | Apply the local ownership, control and asset-freeze rules |
| Authorization | Match the exact OFAC general or specific license and all conditions | Match the exact OFSI license or exception and all conditions | Verify the relevant exception, authorization or prohibition in the governing regulation |
| Records and reporting | Keep screening, licensing, blocking and reporting evidence for the required period | Keep evidence and file reports under OFSI requirements | Follow local retention and reporting duties, which may differ by authority |
This table is a routing aid, not a determination that one approval satisfies another regime. A transaction can require separate U.S., UK and local analyses.
Operational checklist before approval
- Every jurisdictional connection is identified and assigned to an owner.
- All parties, beneficial owners, banks, vessels, insurers and intermediaries were screened using current data.
- False positives were resolved with supporting identity evidence.
- End use, end user, origin, destination, route and payment path are documented.
- The exact prohibition, exemption or license is cited, saved and matched to every condition.
- Third-country routing and transshipment risks were investigated.
- Digital-asset exposure was assessed for blocked property and reporting duties.
- Approvals, holds, escalations and reports are stored in a retrievable file.
- A named owner will monitor future list, license, FAQ, regulation and business-model changes.
Bottom line for management
Iran sanctions compliance is a transaction-by-transaction legal and operational exercise. Screening a name once, accepting a “humanitarian” label or routing a shipment through another country is not enough. A defensible program connects jurisdiction, ownership, end use, goods, vessel, payment and authorization; stops when the legal basis is uncertain; reports and preserves evidence when required; and updates its controls whenever the authorities change the rules.
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