OFAC Compliance in Letters of Credit: Sanctions, UCP 600, and LC Risk


 By Kazi Suhel Tanvir Mahmud — Trade Finance & Letter of Credit Specialist 


OFAC compliance in Letters of Credit infographic showing LC lifecycle, sanctions screening, UCP 600 vs OFAC, 50% Rule, vessel risk, and trade finance best practices for banks and exporters.
Understanding OFAC compliance in Letters of Credit: How sanctions screening,
UCP 600, the 50% Rule, and vessel risk affect LC payments and trade finance operations.


OFAC Compliance in Letters of Credit: Essential Guidance for Trade Finance Practitioners

In modern trade finance, sanctions compliance is a mandatory control, not an optional check.For banks managing Letters of Credit (LCs), OFAC screening is a regulatory requirement that directly affects issuance, negotiation, reimbursement, and settlement. This insight was also published in Lawyer Magazine for compliance professionals. Failure to comply exposes institutions to regulatory penalties, payment blocks, and reputational risk. Banks, exporters, and trade finance teams face operational delays or payment rejections if OFAC requirements are not properly integrated into the LC lifecycle, making sanctions risk a central component of any risk-based trade finance framework.


OFAC: A Mandatory Control Point in the LC Lifecycle

The Office of Foreign Assets Control (OFAC) administers U.S. economic sanctions that apply not only to U.S. banks, but also to non-U.S. banks when:

  • Transactions are denominated in USD

  • A U.S. correspondent bank is involved

  • Clearing occurs through the U.S. financial system

As a result, OFAC compliance becomes unavoidable in LC transactions, regardless of the issuing bank’s jurisdiction. This risk and its practical implications for trade finance are detailed in my Lawyer Magazine publication. For example, a shipment to a seemingly compliant beneficiary may be blocked if the ultimate owner is a sanctioned party under the OFAC 50% Rule. Banks increasingly rely on enhanced screening tools and due diligence procedures to detect these indirect ownership links before accepting documents.n


Where OFAC Intersects with Letters of Credit

Unlike documentary discrepancies governed by UCP 600, OFAC issues are non-documentary but transaction-fatal.

Sanctions screening typically impacts the LC process at multiple stages:

1. LC Issuance

Before issuance, banks screen:

  • Applicant

  • Beneficiary

  • Country of destination

  • Goods description 

A sanctions hit at this stage may prevent issuance altogether.


2. Document Examination & Negotiation

Even when documents comply fully with UCP 600 and ISBP, banks may still:

  • Refuse negotiation

  • Suspend processing

  • Escalate for sanctions review

Importantly:

A compliant presentation does not override sanctions restrictions.


3. Reimbursement & Settlement

This is where OFAC risk materializes most visibly.

Correspondent banks may:

  • Block funds

  • Reject MT202 / MT103 messages

  • Freeze proceeds pending investigation

This often surprises exporters who believe “documents are clean.”



The OFAC 50% Rule: Hidden Risk for Trade Finance

One of the most misunderstood sanctions rules in trade finance is the OFAC 50% Rule.

Under this rule:

Any entity owned 50% or more, directly or indirectly, by one or more sanctioned persons is itself considered sanctioned — even if the entity is not listed.

Why this matters for LCs

  • Beneficiaries may appear “clean” on paper

  • Ownership structures are not visible in LC documents

  • Screening systems must detect indirect ownership links

This is why banks increasingly rely on enhanced screening tools, not just name matching. In practice, this means operations teams must review ownership structures, incorporate automated ownership analytics, and escalate potential matches to compliance officers. Ignoring these controls can result in blocked LC payments, delayed shipments, or even sanctions violations. 

Sanctions screening obligations extend beyond parties to the transaction and may also encompass transportation elements where relevant. Vessel identity, ownership, flag, and trading patterns can become sanctions-relevant after LC issuance, particularly in higher-risk trades. As a result, banks and correspondent institutions may apply vessel-related screening at the time of negotiation or settlement, and adverse findings may lead to payment blocks or delays notwithstanding prior clean screening results.


UCP 600 vs OFAC: No Conflict, Different Authority

A common misconception is that OFAC actions contradict UCP 600 obligations.

They do not.

Banks are legally required to comply with sanctions even if it results in non-payment under an otherwise compliant LC.

This is not a “bank decision” — it is a regulatory mandate.


Practical Implications for Trade Finance Professionals

For practitioners, this means:

  • LC structuring must consider sanctions exposure

  • Beneficiary due diligence matters beyond documents

  • Payment certainty is conditional on regulatory clearance

  • Exporters must understand that compliance risk can override contractual expectations

Ignoring OFAC risk is no longer acceptable in professional trade finance operations.


Why OFAC Knowledge Strengthens Trade Finance Expertise

Trade finance today sits at the intersection of:

  • Documentary rules

  • Payment systems

  • Regulatory compliance

  • Sanctions enforcement

Professionals who understand only UCP 600 but ignore sanctions risk operate with partial knowledge.

Those who integrate OFAC awareness into LC practice demonstrate:

  • Real-world banking competence

  • Risk-based thinking

  • Operational maturity


Conclusion

OFAC compliance is not an external legal issue — it is a core trade finance control.

In Letters of Credit, sanctions risk can:

  • Override documentary compliance

  • Delay or block payment

  • Impact correspondent banking relationships

Understanding this reality is essential for banks, exporters, and trade finance professionals operating in today’s regulatory environment. Drawing on my 24 years in banking, including 17 years in trade finance, I have seen multiple cases where early identification of OFAC exposure prevented payment blocks and ensured seamless LC execution. Integrating compliance checks with document examination is now standard practice in high-performing trade finance teams.



Author

Kazi Suhel Tanvir Mahmud

Kazi Suhel Tanvir Mahmud – Trade Finance & Letter of Credit Specialist at Inco-Terms – Trade Finance Insights, is also  AVP and Operations Manager at AB Bank, with 24 years of banking experience, including 17 years specializing in trade finance. He has deep expertise in letters of credit, shipping documentation, and international trade compliance. Throughout his career, he has managed trade finance operations, overseen documentary credits, and ensured adherence to UCP 600 and global banking regulations, supporting exporters, importers, and banking professionals in executing smooth and compliant cross-border transactions.

UCP 600 Article 14 | Standard for Document Examination under ISBP 821


This article is written by Kazi Suhel Tanvir Mahmud, a trade finance specialist focused on letters of credit, UCP 600, and international trade payment mechanisms.

Key Rule: Article 14 of UCP 600 requires banks to examine LC documents based solely on the documents, within a maximum of five banking days; ISBP 821 clarifies acceptable variations, document function, and consistency over strict identity.

Key Principles under UCP 600 Article 14 (Infographic)

Infographic explaining key principles of UCP 600 Article 14, including document-only examination, data consistency over identity, function over form, and the five banking day examination rule under ISBP 821.

UCP 600 Article 14: Standard for Examination of Documents

Authoritative Commentary: Article 14 of UCP 600 establishes the universally accepted standard governing the examination of documents under documentary credits. When read together with ISBP 821, it provides a disciplined, objective, and commercially practical framework that ensures consistency, predictability, and legal certainty in international trade finance operations.

Why banks rely on UCP 600 Article 14 to justify refusal decisions?

Banks rely on UCPDC 600 Article 14 to justify refusal decisions because it clearly defines the standard of examination required in documentary credits, obliging banks to examine documents on their face only and to apply the principle of strict compliance. The article limits the bank’s responsibility to checking documents against the terms of the credit, without reference to the underlying goods or contract, thereby protecting banks from commercial and legal risk. It also provides a uniform international rule and a maximum of five banking days for document examination, giving banks a clear, defensible timeframe for accepting or refusing presentations. As a result, Article 14 offers banks a consistent, internationally recognised legal basis to refuse any presentation that does not strictly comply with the credit terms.

1. Examination Based on Documents Alone

(Article 14(a))

A nominated bank acting on its nomination, a confirming bank, and the issuing bank are required to examine a presentation solely on the basis of the documents presented, to determine whether they appear on their face to constitute a complying presentation.

ISBP 821 clarifies that “on their face” excludes any obligation to investigate facts beyond the documents. Banks are not concerned with the actual shipment of goods, their quality, quantity, or condition, nor with the performance of the underlying sales contract. Examination is confined strictly to:

  • the credit terms,

  • the presented documents,

  • UCP 600, and

  • International Standard Banking Practice.

This principle preserves the documentary nature of credits and underpins their reliability as payment instruments.


2. Time Allowed for Examination 

Authoritative Interpretation Aligned with ICC Banking Commission Doctrine

(Article 14(b))

Each examining bank is allowed a maximum of five banking days following the day of presentation to determine compliance.

ISBP 821 emphasizes that this period represents a ceiling, not a justification for delay. Crucially, the occurrence of an expiry date or last day for presentation on or after the date of presentation does not curtail the examination period. This ensures procedural fairness and prevents arbitrary refusals based on timing technicalities.

Timeline of the 5-Banking-Day Examination Rule (Article 14(b))

DayEventLegal Status / Requirement
Day 0PresentationDocuments are received by the bank. The clock hasn't started yet.
Day 1Clock StartsThis is the first banking day following the day of presentation.
Days 1–5Examination PeriodThe bank has a maximum of five banking days to determine if a presentation is complying.
Day 4LC ExpiryAs long as Day 0 happened before expiry, the bank must continue the examination.
Day 5Final DeadlineThe "Safe Harbor" ends. By the close of business, the bank must either Honor or Refuse.
Day 6+PreclusionPer Article 16(f), the bank is "precluded" from claiming documents are discrepant.

Article 14(b) – Time Allowed for Examination

Nuanced Interpretation Aligned with ICC Banking Commission Opinions

Article 14(b) provides that a nominated bank acting on its nomination, a confirming bank, and the issuing bank shall each have a maximum of five banking days following the day of presentation to determine whether a presentation is complying. This examination period is not curtailed or otherwise affected by the occurrence, on or after the date of presentation, of any expiry date or last day for presentation.


ICC Banking Commission guidance:

ICC Opinion is the principal and most frequently cited authority confirming that the five banking days constitute a maximum legally permitted examination period, rather than a flexible or extendable timeframe.

Related ICC Opinion  establishes that:

  • the five banking days are not a “safe harbor” subject to extension,

  • the period cannot be shortened by operational convenience, expiry, or presentation deadlines,

  • a bank is legally entitled to take the full five banking days, even where the documents are straightforward or previously examined by another bank.

Critical nuance (often misunderstood):


While ICC training materials and best-practice guidance encourage banks to act “as soon as possible,” Opinion confirms that this expectation is commercial and procedural, not legal. The Opinion protects a bank’s right to use the entire five-day period, regardless of document simplicity.

The Banking Commission has repeatedly ruled on the strict nature of the five-banking-day rule.

  • ICC Opinion 
    Confirms that the five banking days constitute a maximum, non-extendable period.

  • ICC Opinion 
    Clarifies that expiry of the credit during the examination period does not shorten or invalidate the bank’s right to examine within the full five days.

Litigation relevance: Failure to issue a refusal within this period may result in loss of discrepancy rights.


ReferenceFocusUse Case
UCP 600 Art. 14(b)The StatuteTo establish the "Maximum of 5 days."
TA.665The MathTo prove when the 5 days actually expire.
Opinion R505The SpiritTo argue that 5 days is a ceiling, not a "grace period."
Art. 16(d)The DeadlineTo prove the bank is "precluded" if they miss the 5th day.

Consolidated ICC Doctrine on Article 14(b)

Taken together, ICC jurisprudence establishes the following settled principles:

  1. Five banking days is a strict maximum.

  2. Banks are legally entitled to use the full period, irrespective of document complexity.

  3. Expiry of the credit during examination is legally irrelevant.

  4. Failure to issue a refusal within the five banking days results in loss of discrepancy rights.

  5. Expectations of faster examination reflect best practice, not enforceable obligation.


Practical and Legal Significance

This distinction is critical in disputes. Courts and arbitral tribunals regularly distinguish between:

  • commercial expectations of promptness, and

  • legal entitlement to the full examination period.

Article 14(b): Five Banking Days – Maximum, Not a Grace Period
Primary ICC Opinions: TA.665, R519

While TA.665 addresses the calculation of the five banking days, Opinions such as R519 confirm the bank’s legal entitlement to the full period, and R505 articulates the underlying principle that the period is a ceiling, not an extension mechanism.


Summary Statement (Court-Ready)

Article 14(b), as interpreted by ICC Opinions TA.665 and R519, establishes a strict maximum of five banking days for examination of documents. This period is not a grace period and does not entitle a bank to delay examination where discrepancies are apparent earlier. While operational best practice encourages prompt action, failure to act within the five banking days results in preclusion under Article 16(f), regardless of the substantive merits of any discrepancies.


3. Time for Presentation of Transport Documents

(Article 14(c))

Where a presentation includes one or more original transport documents subject to Articles 19–25, it must be made no later than 21 calendar days after the date of shipment, and in all cases not later than the expiry date of the credit.

ISBP 821 confirms that this 21-day rule applies automatically unless the credit expressly provides otherwise. The shipment date must be determined strictly from the transport document itself. A presentation outside this timeframe constitutes a discrepancy, regardless of whether the credit mentions a presentation period.


4. Consistency of Data Across Documents

(Article 14(d))

Data contained in a document, when read in context with the credit, the document itself, and international standard banking practice, need not be identical, but must not conflict with data in that document, any other stipulated document, or the credit.

ISBP 821 provides essential clarification by distinguishing acceptable variation from material inconsistency. Minor differences that do not create contradiction, ambiguity, or doubt as to compliance are acceptable. This provision prevents excessive formalism while preserving documentary integrity.


5. Description of Goods in Non-Invoice Documents

(Article 14(e))

In documents other than the commercial invoice, the description of the goods, services, or performance, if stated, may be in general terms, provided it does not conflict with the credit.

ISBP 821 reinforces that transport and insurance documents are not required to replicate the detailed description appearing on the commercial invoice. Overly detailed descriptions in such documents increase the risk of discrepancies and are neither required nor encouraged.


6. Documents with Unspecified Issuer or Content

(Article 14(f))

Where a credit requires a document other than a transport document, insurance document, or commercial invoice, without specifying by whom it is to be issued or its data content, banks must accept the document as presented if it:

  • appears to fulfil the function of the required document, and

  • complies with Article 14(d).

ISBP 821 supports a functional and purpose-driven approach, ensuring that documentary compliance is assessed on substance rather than form.


7. Documents Not Required by the Credit

(Article 14(g))

Any document presented but not required by the credit must be disregarded and may be returned to the presenter.

ISBP 821 makes clear that such documents must not be examined and must not be used either to justify acceptance or to raise discrepancies. Their presence is legally irrelevant.


8. Conditions Without Stipulated Documentary Evidence

(Article 14(h))

If a credit contains a condition without stipulating the document required to evidence compliance, banks must deem such a condition as not stated and disregard it entirely.

ISBP 821 confirms that banks are not responsible for interpreting subjective, non-documentary, or performance-based conditions. This provision eliminates uncertainty and reinforces the documentary nature of credits.


9. Dating of Documents

(Article 14(i))

Documents may be dated prior to the issuance date of the credit, but must not be dated later than the date of presentation.

ISBP 821 clarifies that where a document type does not normally require a date, the absence of a date does not, of itself, constitute a discrepancy.


10. Addresses and Contact Details

(Article 14(j))

When the addresses of the beneficiary and the applicant appear in any stipulated document, they need not be identical to those stated in the credit or in other stipulated documents, provided they are within the same country as the respective addresses mentioned in the credit. Contact details such as telephone, fax, or email are disregarded.

However, where the applicant’s address and contact details appear as part of the consignee or notify party information on transport documents subject to Articles 19–25, they must exactly match the credit. ISBP 821 highlights this exception due to the legal and operational significance of transport documents.


11. Shipper and Issuance of Transport Documents

(Articles 14(k) and 14(l))

The shipper or consignor shown on any document need not be the beneficiary of the credit. Furthermore, a transport document may be issued by a party other than a carrier, owner, master, or charterer, provided it otherwise complies with the applicable transport article.

ISBP 821 confirms that compliance is determined by documentary content and conformity with UCP 600 requirements, not by assumptions about commercial roles or titles.


Frequently Asked Questions – UCP 600 Article 14

Q1: What is the main requirement under Article 14 of UCP 600?
A1: Article 14 requires banks to examine LC documents based solely on the documents presented, without checking the actual shipment, quality, quantity, or performance of the sales contract. The examination must comply with UCP 600 rules and international standard banking practice, as clarified by ISBP 821.

Q2: How long does a bank have to examine documents under Article 14(b)?
A2: Each bank (nominated, confirming, or issuing) has a maximum of five banking days following the day of presentation to determine compliance. This period is strictly a maximum, not a grace period, and cannot be shortened by the LC expiry or operational convenience.

Q3: What happens if the bank misses the 5-banking-day deadline?
A3: Per Article 16(f), failure to issue a refusal within the five banking days results in loss of discrepancy rights. The bank is precluded from claiming that the documents are discrepant after this period.

Q4: Do transport documents need to exactly match the commercial invoice?
A4: No. Transport and insurance documents do not need to replicate the detailed description on the invoice. Minor differences are acceptable as long as they do not conflict with the credit and comply with Articles 14(c)–14(l) and ISBP 821.

Q5: Can banks reject documents not required by the LC?
A5: No. Any document not required by the credit must be disregarded (Article 14(g), ISBP 821). These documents cannot be used to justify acceptance or raise discrepancies.

Q6: What if a credit condition does not specify the document to prove compliance?
A6: If the LC contains a condition without specifying the required document, banks should disregard the condition (Article 14(h), ISBP 821). Banks are not responsible for subjective or non-documentary conditions.

Q7: Can documents be dated before the LC issuance date?
A7: Yes, documents may be dated prior to the issuance of the LC, but they cannot be dated after the date of presentation. The absence of a date where not normally required does not automatically constitute a discrepancy.

Q8: Do beneficiary and applicant addresses need to match exactly?
A8: Addresses do not need to be identical to those in the credit or other documents, provided they are within the same country. However, for transport documents subject to Articles 19–25, the applicant’s address and contact details must match exactly.

Q9: Does the shipper on the transport document need to be the LC beneficiary?
A9: No. The shipper or consignor may be a party other than the beneficiary, carrier, owner, master, or charterer, as long as the document complies with the applicable UCP 600 requirements.

Q10: Can banks take the full five days even if documents seem correct?
A10: Yes. ICC Opinions confirm that banks are legally entitled to use the full five-day examination period, even if the documents are straightforward. Acting faster is commercial best practice, not a legal obligation.


Conclusion

UCP 600 Article 14, read in conjunction with ISBP 821, establishes a clear, objective, and internationally harmonized standard for document examination. It balances legal certainty with commercial practicality by emphasizing:

  • examination based on documents alone,

  • consistency rather than identity of data,

  • function rather than form, and

  • objective standards over subjective judgment.


Author Bio

Kazi Suhel Tanvir Mahmud – Senior Trade Finance Specialist at AB Bank







Kazi Suhel Tanvir Mahmud – Trade Finance & Letter of Credit Specialist at Inco-Terms – Trade Finance Insights, is also  AVP and Operations Manager at AB Bank, with 24 years of banking experience, including 17 years specializing in trade finance. He has deep expertise in letters of credit, shipping documentation, and international trade compliance. Throughout his career, he has managed trade finance operations, overseen documentary credits, and ensured adherence to UCP 600 and global banking regulations, supporting exporters, importers, and banking professionals in executing smooth and compliant cross-border transactions.