Calder & Vance International Sanctions & Compliance Counsel

Cross-Border Transactions & Diligence · OFSI

Winding down sanctioned exposure under OFSI: legal support

A financial institution operating across the UK and European markets holds positions involving a counterparty that has since been designated under UK financial sanctions. The deal is live, the exposure is real, and the question is not whether to act but how to act lawfully. Getting the wind-down wrong – holding prohibited positions too long, transferring value without authorisation, or missing a reporting obligation – can transform a manageable problem into an enforcement matter.

Winding down sanctioned exposure under OFSI – the Office of Financial Sanctions Implementation – requires a structured sequence of steps governed by the Sanctions and Anti-Money Laundering Act and the relevant thematic sanctions regulations. OFSI holds a broad licensing power and an equally broad enforcement mandate. A wind-down without the correct authorisation, or with deficient documentation, risks a civil monetary penalty or a criminal referral to the Crown Prosecution Service.

This page sets out the legal basis for a managed wind-down under OFSI, how the process compares with OFAC and EU requirements, the practical risk flags that arise, and what Calder & Vance does at each stage of the engagement.

What does winding down sanctioned exposure under OFSI actually require?

Winding down sanctioned exposure is the controlled, lawfully authorised unwinding of a financial or commercial position that has become prohibited following a designation. Under OFSI, assets belonging to a designated person must be frozen immediately upon designation; no payments, transfers, or dealings in those funds or economic resources are permitted without a specific licence or the cover of a general licence. The obligation attaches to any person within the UK jurisdiction, and – critically – to UK persons operating anywhere in the world.

The wind-down question therefore has two faces. First: is the existing position caught at all? Ownership and control analysis matters here. A counterparty is not necessarily a designated person simply because a shareholder is designated; the test turns on whether the designated person owns or controls the entity. Second: once the position is confirmed as caught, what authorisation exists to manage the exit?

OFSI's licensing regime allows for specific licences (case-by-case authorisations for defined transactions) and relies on published general licences (standing authorisations that permit categories of transactions without a separate application). In our experience, most businesses seeking to wind down a live commercial or financial position will require a specific licence unless an existing general licence squarely covers their fact pattern. The distinction matters because the timelines, the documentation requirements, and the residual risk differ substantially between the two.

As of early 2026, the position above covers the standard structure. Your specific facts – the nature of the position, the designation trigger, the counterparty structure, and the regime in play – change the analysis materially.

For a confidential review of your exposure and an assessment of the licensing route available, contact Calder & Vance at info@caldervance.com.

The legal basis: SAMLA, the thematic regulations, and OFSI's authority

The Sanctions and Anti-Money Laundering Act ("SAMLA") is the primary enabling statute for UK financial sanctions. It empowers the Secretary of State and HM Treasury to designate persons and entities, impose asset freezes, and publish the regulations that govern specific sanctions programmes. OFSI, as a directorate of HM Treasury, administers the financial-sanctions element: it maintains the UK Consolidated List, issues general licences, processes specific-licence applications, and conducts enforcement.

The relevant thematic regulations – whether for Russia, Iran, Belarus, or another programme – set out the particular prohibitions that apply in each case. Reading SAMLA alongside the applicable thematic regulations is not optional: the two instruments together determine the scope of the freeze, the exceptions available, and the licensing grounds on which a wind-down can proceed.

A key point for cross-border businesses is jurisdictional reach. SAMLA applies to UK persons wherever they are located. It also applies to conduct within the UK regardless of the actor's nationality. A UK-incorporated subsidiary of a foreign parent is a UK person for these purposes. So is a branch of a foreign bank that is authorised in the UK. This broad territorial scope means that a wind-down strategy designed for the parent entity may require separate UK-specific steps, even when the parent's primary regulator is OFAC or a EU competent authority.

How does the OFSI wind-down process compare with OFAC and EU procedures?

The OFSI procedure, OFAC's specific-licence process, and the EU competent-authority licences operate on broadly comparable logic but differ in ways that directly affect cross-border wind-down strategies. Understanding those differences prevents a firm from obtaining one authorisation and assuming the others are covered.

Under OFAC, the specific licence application is submitted to OFAC's Licensing Division; OFAC publishes indicative timelines but actual processing varies with the complexity of the request and agency workload. OFAC also issues extensive general licence coverage for certain wind-down scenarios, sometimes specifying a defined window measured in days from the date of designation during which specified transactions are permitted without a separate filing. Where such a general licence applies, businesses must act within that window and maintain records demonstrating compliance. Where no general licence applies, the specific-licence route is the only lawful path.

Under EU sanctions regulations, the competent authority is the national authority of the relevant Member State – typically the central bank, a ministry of finance, or an equivalent body. The EU does not have a single centralised licensing body equivalent to OFAC or OFSI. A business operating in multiple EU jurisdictions may therefore need authorisations from more than one competent authority for what is economically a single wind-down transaction.

OFSI operates as a single licensing body for UK financial sanctions, which simplifies the administrative path. However, OFSI's published processing timelines are indicative, and complex applications involving designated persons with layered ownership structures or novel transaction types can take considerably longer. In our practice, we build the application to front-load the factual and legal analysis that OFSI requires, which reduces the number of rounds of query-and-response and compresses the overall timeline.

Where a business is subject to both UK and US sanctions – or UK and EU sanctions – the threshold question is which regime imposes the stricter prohibition. Where prohibitions diverge, the stricter prohibition governs for entities that are subject to both. We regularly advise on the interaction between OFSI's asset-freeze obligations and OFAC's blocking rules, and on the sequencing of multi-regime licence applications so that no single approval creates a gap in the other regime's coverage.

If a transaction has already been flagged, or a filing has been refused, an early review can preserve options that narrow with time. Contact Calder & Vance at info@caldervance.com for an immediate assessment.

Ownership and control: when is a counterparty caught by the UK freeze?

The ownership and control test determines whether a non-listed entity is caught by the UK asset freeze through its connection to a designated person. This question sits at the centre of most wind-down engagements, because the answer determines whether a freeze obligation exists at all.

Under UK financial sanctions, an entity is caught if a designated person holds 50 percent or more of the ownership interests, directly or indirectly, or if a designated person otherwise controls the entity. The control limb is broader than the OFAC 50 percent rule, which is purely ownership-based and mechanical. Under OFSI and the EU, control can arise through voting rights, board composition, contractual arrangements, or the ability to direct decisions – even where ownership sits below the 50 percent threshold.

This matters for wind-down planning. A business may have a counterparty that is not on the UK Consolidated List but whose decision-making is effectively directed by a designated person through management rights or veto powers. If that control relationship exists, the entity's assets may be caught even without formal ownership. A wind-down that proceeds on the assumption that the counterparty is free simply because it is not listed can expose the business to enforcement action for dealing in frozen assets.

Aggregation applies on the ownership side. Two designated persons each holding less than 50 percent may together reach or exceed the threshold. The analysis must therefore map all designated-person holdings across the full ownership chain, not only the direct holding of the immediate counterparty. We have seen cases where a six-layer corporate structure obscured a combined designated-person interest that crossed the threshold at the fourth layer.

Practically, the control analysis requires access to constitutional documents, shareholder agreements, management contracts, and sometimes transaction-level data. Where that documentation is incomplete – as it often is in distressed or restructuring situations – the analysis must proceed on assumptions that should be clearly documented and flagged to OFSI as part of any licence application.

What are the risk flags in a managed wind-down?

The most common source of enforcement risk in a wind-down is not deliberate non-compliance but procedural error – acting without the right authorisation, acting under an authorisation that does not squarely cover the transaction, or failing to report correctly to OFSI.

The first risk flag is timing. A business that identifies a designation-linked exposure should treat the clock as running from the moment of identification, not from the moment a decision is made to act. OFSI's reporting obligation – which requires persons who know or suspect they hold frozen assets to report that knowledge to OFSI – attaches promptly. Delay in reporting is itself a potential breach, separate from the question of whether the underlying dealing in assets was authorised.

The second risk flag is scope of authorisation. A general licence that permits certain wind-down transactions within a specified period does not authorise everything associated with closing a position. Payment of outstanding fees, cancellation of ancillary contracts, transfer of collateral, and return of security deposits each require their own legal analysis. Businesses sometimes assume that a general licence that permits the primary transaction also covers the ancillary steps. It does not, unless those steps are explicitly within the licence's terms.

The third risk flag is documentation. OFSI's enforcement guidance makes clear that record-keeping is a component of compliance, not an administrative nicety. Every decision taken during a wind-down – the basis for proceeding, the licence relied upon, the ownership and control analysis, the steps taken and when – should be documented contemporaneously. If a subsequent enforcement enquiry is made, the ability to demonstrate a structured, good-faith process is a material factor in the outcome. Records should be retained for at least five years, consistent with OFSI's guidance and the broader financial-crime record-keeping standard.

The fourth risk flag is multi-regime exposure. A UK wind-down that is OFSI-authorised may still breach OFAC sanctions if the transaction involves US persons or US-dollar clearing. The OFSI licence does not resolve the OFAC question. A OFSI licence does not resolve the EU question for a business with operations in a Member State. Each regime must be addressed on its own terms.

How Calder & Vance structures a wind-down engagement under OFSI

Our wind-down service under OFSI follows a defined sequence, from initial exposure assessment to post-completion reporting. Each stage has a discrete deliverable, so you know at each point what has been done and what remains.

Stage one: exposure mapping. We review the relevant contracts, ownership structure, and transaction data to determine whether and to what extent the UK asset-freeze obligation applies. We produce a written ownership-and-control memorandum that documents the analysis and sets out the confirmed scope of the freeze. This memorandum forms the factual foundation for the licence application.

Stage two: regime gap analysis. Where the business is also subject to OFAC, EU, or other regime obligations, we map the differences between the regimes and identify the steps needed in each. We advise on sequencing – which licences to seek first, which filings are time-critical, and where a single transaction structure can satisfy multiple regimes rather than requiring separate authorisations.

Stage three: licence application preparation. We assess eligibility for any applicable general licence and, where no general licence applies, prepare and submit the specific-licence application to OFSI. The application includes the legal basis for the licence, the factual narrative, the supporting documentation, and a proposed transaction structure that addresses OFSI's standard areas of concern. We manage all queries from OFSI through to a decision.

Stage four: wind-down execution support. Once authorisation is in place, we advise on each step of the wind-down to confirm that it falls within the scope of the licence. We review transaction documentation, counterparty instructions, and payment mechanics against the licence terms. Any step that falls outside the authorisation is flagged before it is taken.

Stage five: reporting and record-keeping. We prepare or review the post-completion report to OFSI where reporting is required, and compile the compliance record for the wind-down. The record covers the analysis, the authorisation, the steps taken, and the documentary evidence for each.

In a recent matter, a financial services business discovered that a long-standing loan facility was linked to a corporate counterparty whose ultimate beneficial owner had been designated under UK financial sanctions. We mapped the ownership chain, confirmed the freeze obligation, prepared and submitted the specific-licence application to OFSI, and advised on each step of the loan repayment and facility termination within the scope of the licence granted. The matter was completed with a full compliance record and a timely report to OFSI.

A common misconception: existing contracts are automatically lawful to complete

A persistent belief among businesses confronting a mid-contract designation is that a contract signed before the designation can be performed through to completion without further authorisation. That position is incorrect. The UK financial sanctions prohibitions apply from the moment of designation, regardless of when the contract was entered into. A pre-existing obligation to make a payment or transfer an asset does not exempt that payment or transfer from the freeze.

We address this misconception directly because it is the source of a significant number of inadvertent breaches. A business that receives a payment instruction from a designated counterparty – under a contract signed two years before the designation – and processes that payment has potentially dealt in frozen assets. The fact that the contract was lawful at inception provides no defence to an OFSI enforcement action for the post-designation step.

The correct path is to identify the designation, freeze the relevant assets or withhold the relevant payment, report to OFSI, and apply for a licence before taking any further step under the contract. That sequence is more conservative than many businesses instinctively want to be, but it is the one that OFSI's enforcement guidance supports. In our cross-border practice, we advise clients to default to the more conservative position in cases of doubt and to seek specific confirmation from OFSI or from counsel before proceeding.

Related practices

Related practices

Frequently asked questions

How long does wind down sanctioned exposure take under OFSI?
The timeline depends on whether an existing general licence covers the transaction or whether a specific-licence application is required. OFSI publishes indicative processing timelines for specific-licence applications, but complex matters involving layered ownership structures or novel transaction types can take longer. In our experience, a well-prepared application that front-loads the factual and legal analysis reduces the number of rounds of query-and-response and compresses the overall timeline materially. Businesses should not assume the wind-down will proceed quickly and should plan for a period of frozen-asset holding while the authorisation is processed.
What are the main risks in winding down sanctioned exposure under OFSI?
The main risks are: acting without the correct authorisation; relying on a general licence whose terms do not squarely cover the specific transaction steps; failing to report the frozen-asset position to OFSI promptly; and proceeding on a flawed ownership-and-control analysis that understates the scope of the freeze. Multi-regime risk is also a significant factor – an OFSI-authorised step may still breach OFAC or EU sanctions if the transaction involves US persons, dollar-clearing, or EU-based entities. Documentation failures are a further risk: the inability to demonstrate a structured, good-faith process is itself a factor in OFSI's enforcement considerations.
Do we need specialist counsel for winding down sanctioned exposure?
For straightforward positions covered by an existing general licence, a well-resourced in-house compliance team may be able to manage the wind-down. Where the position involves ownership-and-control questions, a specific-licence application, multi-regime exposure, or a post-designation contract-performance question, specialist counsel adds material value at each stage. The cost of a misstep – an inadvertent dealing in frozen assets, a late or deficient report to OFSI, or a multi-regime breach – significantly exceeds the cost of structured legal support from the outset. We advise on both the OFSI-specific steps and the interaction with other regimes under one engagement.

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This publication is general information and does not constitute legal advice. For advice on your situation, contact info@caldervance.com.