Deferred Payment and Acceptance


Last updated: 29 August, 2026

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.


Letter of Credit payment terms explained – comparison of Deferred Payment LC vs Acceptance LC (Usance / Term Draft)


Deferred Payment LC vs Acceptance (Usance) LC: Key Differences Under UCP 600

Deferred Payment and Acceptance (Usance) LCs are two distinct availability methods under UCP 600. Both may provide payment at a future date, but they differ fundamentally in how the bank's payment obligation is structured: a deferred payment credit does not require a bill of exchange, whereas an acceptance credit requires a time draft to be accepted in accordance with the terms of the credit. Understanding this distinction is important when examining LC wording, determining maturity, assessing financing options, and applying UCP 600 in practice.

What Is a Deferred Payment LC?

A Deferred Payment Letter of Credit (Deferred Payment LC) is a documentary credit under which the beneficiary is entitled to receive payment at a specified future date rather than immediately upon presentation of complying documents.

Under UCP 600, Article 6(b), a credit must state whether it is available by sight payment, deferred payment, acceptance or negotiation. Where the credit is available by deferred payment, the terms of the credit determine when the payment becomes due.

For example, the credit may provide for payment 60 days after the bill of lading date, shipment date, presentation of complying documents, or another clearly determinable event, depending on the wording of the credit.

Where UCP 600 is incorporated into the documentary credit, the issuing bank's undertaking to honour a complying presentation is governed by UCP 600 Article 7. The examination of documents is addressed principally in Article 14.

Unlike an acceptance credit, a deferred payment LC does not necessarily require the beneficiary to draw a bill of exchange. UCP 600 Article 6(b) distinguishes deferred payment from acceptance, while Article 2 provides the relevant definitions.

In simple terms

Deferred Payment LC = Complying presentation + future maturity/payment date determined by the credit.

For example, if an LC specifically provides for payment 60 days after the bill of lading date, the beneficiary must first make a complying presentation in accordance with the credit. Payment then becomes due at the maturity date determined under the terms of the credit and applicable rules.


How Does a Deferred Payment Letter of Credit Work?

A Deferred Payment Letter of Credit (Deferred Payment LC) is a documentary credit under which the beneficiary is entitled to receive payment at a future maturity date, rather than immediately upon presentation of complying documents.

The essential distinction is between presentation and examination of documents and the actual payment date. The beneficiary must comply with the documentary requirements of the credit, but payment takes place at the future maturity date specified or determinable from the terms of the credit.

The transaction can be understood as:

LC Issuance → Shipment → Document Presentation → Document Examination → Complying Presentation → Deferred Payment Undertaking → Maturity → Payment


Step 1 — The Applicant Requests a Deferred Payment LC

The transaction normally begins when the applicant (buyer/importer) asks the issuing bank to issue a documentary credit in favour of the beneficiary (seller/exporter).

The applicant and beneficiary agree the commercial terms, including the period and basis of deferred payment.

For example:

“Available by deferred payment at 60 days after the date of shipment.”

The wording of the credit is important because the maturity date must be clearly determinable.

A deferred payment arrangement is therefore not simply an informal agreement that the buyer may pay later. It is a documentary-credit arrangement under which payment is due according to the terms of the credit.


Step 2 — The Issuing Bank Issues the LC

The issuing bank issues the documentary credit in favour of the beneficiary.

Where UCP 600 applies, the issuing bank's undertaking is governed principally by Article 7.

The credit should clearly state, among other things:

  • the amount;
  • the beneficiary;
  • the expiry date and place;
  • how the credit is available;
  • the documents required;
  • shipment requirements;
  • the presentation period, where applicable;
  • the deferred-payment tenor; and
  • the event or date from which the maturity period is calculated.

Professional Point

The expression “60 days deferred payment” should not be treated as sufficiently precise by itself. The credit should make clear 60 days from what date or event.


Step 3 — The Beneficiary Ships the Goods

The beneficiary ships the goods in accordance with the terms and conditions of the credit.

Depending on the credit, the required documents may include:

  • Bill of Lading;
  • Commercial Invoice;
  • Packing List;
  • Certificate of Origin;
  • Insurance Document; and
  • other documents specifically required by the credit.

The beneficiary must ensure that its presentation complies with the requirements of the credit and the applicable documentary-credit rules.

A deferred payment LC does not reduce the importance of documentary compliance.

The fact that payment will occur in the future does not mean that documentary discrepancies can be ignored.



Step 4 — The Beneficiary Presents the Documents

After shipment, the beneficiary presents the required documents to the appropriate bank within the period permitted by the credit.

Where UCP 600 applies, UCP 600 Article 14 establishes the standard for examination of documents, including the maximum period for determining whether a presentation complies.

The bank examines the documents to determine whether the presentation appears, on its face, to constitute a complying presentation.

The documentary nature of the transaction is important:

The bank examines the presentation on the basis of the documents and the applicable documentary-credit rules; it does not simply wait until the maturity date before examining the documents.

Therefore:

Deferred payment ≠ deferred document examination.

The documents must still be examined when presented.


Step 5 — The Bank Determines Whether the Presentation Complies

The bank examines the presentation against:

  1. the terms and conditions of the credit;
  2. the applicable provisions of UCP 600, where incorporated; and
  3. applicable international standard banking practice.
For a practical, step-by-step explanation of the bank's document examination process, see How Banks Actually Examine Letter of Credit Documents.

If the presentation contains discrepancies, the bank must deal with them in accordance with the applicable rules and procedures.

If the presentation is complying, the transaction proceeds according to the deferred-payment terms of the credit.

A key distinction is:

Documentary compliance and the maturity date are separate issues.

A presentation can be complying even though payment is not yet due.


Step 6 — The Deferred Payment Undertaking

UCP 600 recognises several forms of availability, including:

  • sight payment;
  • deferred payment;
  • acceptance; and
  • negotiation.

A deferred payment credit is not automatically an acceptance credit.

Under a deferred payment credit, payment can become due at a future date without necessarily requiring a bill of exchange to be drawn and accepted.

The exact obligations depend on the wording of the credit and the bank involved.

Important Banking Distinction

The issuing bank undertakes to honour a complying presentation in accordance with the credit and UCP 600, where applicable.

If the credit is confirmed, the confirming bank adds its own undertaking to that of the issuing bank.

A nominated bank does not automatically assume the issuing bank's undertaking merely because it is nominated.

This distinction is important when analysing documentary credits.


Step 7 — Determining the Maturity Date

The most important practical question is:

When exactly does the deferred payment become due?

The answer depends on the wording of the credit.

For example, a credit may state:

“Payment 60 days after the date of shipment.”

If the relevant shipment date is 1 September 2026, the maturity date is calculated according to the stated tenor and the applicable rules.

Another credit might provide:

“Payment 90 days after presentation of complying documents.”

This would produce a different maturity basis.

Therefore, an examiner should never assume that every “60-day LC” has the same maturity calculation.

The critical question is:

60 days after what?

The maturity basis must be determined from the actual terms of the credit.


Step 8 — Payment at Maturity

When the deferred payment becomes due, payment is made in accordance with the terms of the credit and the applicable banking arrangements.

The beneficiary therefore needs to distinguish between:

Presentation and documentary compliance

and

Payment at maturity

The two events do not necessarily occur on the same date.

The applicant also cannot normally decide unilaterally to change the maturity date simply because it would prefer to pay later. The payment obligation is determined by the terms of the documentary credit and applicable rules.


A Simple Example

Assume an LC states:

“Available with XYZ Bank by deferred payment at 60 days after the date of shipment.”

The beneficiary ships the goods on 1 September 2026 and presents the required documents within the permitted presentation period.

The bank examines the documents and determines that the presentation complies with the credit.

The transaction can then be viewed as:

1 September 2026
↓
Shipment
↓
Documents presented
↓
Documents examined
↓
Complying presentation
↓
Deferred-payment obligation in accordance with the credit
↓
60-day maturity
↓
Payment at maturity

The important point is:

The date of presentation and the date of payment are not necessarily the same date.


The Four Important Dates

When analysing a deferred payment LC, it is useful to distinguish the following dates:

EventMeaning
Shipment DateDate relevant to the shipment requirement and, if specified by the credit, potentially relevant to maturity
Presentation DateDate on which the beneficiary presents the documents
Examination/Compliance DateDate on which the bank determines whether the presentation complies
Maturity DateDate on which the deferred payment becomes due

These dates may occur close together, but they perform different functions.

Important Point

The presentation date does not automatically determine the maturity date.

The maturity date must be determined according to the terms of the credit.


Deferred Payment LC Does Not Mean "Pay Whenever the Applicant Is Ready"

A deferred payment LC is not an unrestricted agreement allowing the applicant to postpone payment whenever it chooses.

The maturity date is determined by the terms of the credit, subject to any applicable amendment or other relevant provisions.

Therefore:

Deferred payment is a defined payment mechanism, not an unrestricted extension of payment time at the applicant's discretion.


Deferred Payment LC vs Acceptance LC

One of the most important distinctions in documentary-credit practice is that deferred payment and acceptance are not synonymous.

A credit available by deferred payment provides for payment at a future date without necessarily requiring a bill of exchange to be accepted.

A credit available by acceptance, on the other hand, involves an acceptance mechanism in accordance with the terms of the credit.

Therefore, when examining an LC, ask:

  1. How is the credit available?
    • Sight payment?
    • Deferred payment?
    • Acceptance?
    • Negotiation?
  2. What documents are required?
  3. Does the presentation comply with the credit?
  4. What event or date determines maturity?
  5. Which bank has the relevant undertaking?
  6. When does payment become due?

The wording of the credit is critical to the analysis. For additional practical questions on the four availability methods under UCP 600, see our UCP 600 Questions and Answers, including scenarios involving deferred payment, acceptance and negotiation.


Banking Practice Insight

A useful way to analyse a deferred payment LC is to separate three questions.

Question 1 — Has the beneficiary complied?

This is primarily a document examination question.

Question 2 — Which bank has the relevant payment undertaking?

This is a bank undertaking question.

The answer depends on whether the bank is the issuing bank, confirming bank or nominated bank and on the terms of the credit.

Question 3 — When is payment due?

This is a maturity calculation question.

These three questions should not be treated as one event.

Compliance, bank undertaking and maturity are related, but they are not the same thing.


Examiner's Quick Test

When faced with a deferred payment LC, use this six-question test:

① How is the credit available?

Deferred payment, acceptance, sight payment or negotiation?

② What documents are required?

Examine the documents required by the credit and the applicable rules.

③ Is the presentation complying?

Apply the applicable documentary examination standard.

④ Which bank has the relevant undertaking?

Consider the issuing bank, confirming bank, and nominated bank as applicable.

⑤ What event determines maturity?

For example, shipment or presentation, depending on the actual wording of the credit.

⑥ When is payment actually due?

Calculate the maturity date according to the terms of the credit and applicable rules.


Bottom Line

A Deferred Payment Letter of Credit separates documentary compliance from the actual date of payment.

The beneficiary must make a complying presentation in accordance with the requirements of the credit. The relevant bank's obligation is determined by the terms of the credit and the applicable documentary-credit rules. Payment is then made when the deferred payment becomes due according to the stated maturity terms.

In one sentence:

A Deferred Payment Letter of Credit is a documentary credit under which the beneficiary makes a complying presentation and payment is made at a future maturity date determined by the terms of the credit and applicable rules.


Deferred Payment
In this situation, payment is made to a buyer at a specified or determinable future date stipulated in the letter of credit or documentary collection, providing that the documents are found to be in order. An example is 60 days after date of transport document or invoice date. No draft is called for under this type of payment. It is important to remember that a buyer will have credit/collateral/cash tied up until payment is made; and if a deferred payment is made through a letter of credit, it is guaranteed to a seller just as if it were made immediately. The risk increases for a seller if the remitting bank is located in a risky country.

The payment method known as acceptance is similar to deferred payment because both may provide for payment at a future date. The key difference is that, under a credit available by acceptance, the beneficiary presents a term or usance draft (bill of exchange) together with the other documents required by the credit.

If the presentation complies with the credit and the applicable rules, the bank specified in the credit accepts the draft. The accepted draft is then payable at its stated maturity date in accordance with the terms of the credit and applicable rules.

For example, an acceptance credit may require a draft payable at 30 days after sight. In that structure, the draft is accepted by the bank specified in the credit, and its maturity is determined according to the applicable terms and rules.

Are Usance or Acceptance LCs the same?

Not exactly. Usance LC and Acceptance LC are closely related, but they are not necessarily the same thing.

The key distinction

Usance LC describes the timing of payment—payment is made at a future date rather than at sight.

Acceptance LC describes the mechanism of payment—a bill of exchange (draft) is drawn and accepted by the drawee bank or other party specified in the credit, with payment due at maturity.

So:

Usance = deferred/future payment period
Acceptance = future payment + acceptance of a draft

Example

Suppose an LC says:

“Available by acceptance of a draft at 60 days after Bill of Lading date.”

This is an Acceptance LC and also a Usance LC, because payment is deferred for 60 days.

But an LC can provide:

“Available by deferred payment at 60 days after Bill of Lading date.”

This is a Deferred Payment LC, not necessarily an Acceptance LC, because no bill of exchange needs to be accepted.

Simple comparison

TermWhat does it describe?Bill of exchange required?
Sight LCPayment at sight after complying presentationNot necessarily
Deferred Payment LC,  Payment at a future maturity date No, not necessarily
Acceptance LCFuture payment through acceptance of a draft Yes
Usance LCGeneral commercial term for payment after a period/at maturity Depends on structure

Deferred Payment (Deferred Payment Undertaking under a Letter of Credit)

A deferred payment credit is a documentary credit (typically subject to ICC UCP 600) under which the issuing bank (and any confirming bank) undertakes to pay the beneficiary at a future maturity date, provided that the beneficiary makes a complying presentation of the documents required by the credit. The defining feature is that the credit is available “by deferred payment” and does not require presentation of a bill of exchange (draft).

1) Core mechanics

  • Trigger: the beneficiary presents the stipulated documents (e.g., transport document, invoice, insurance document, packing list, certificate of origin) within the time limits set by the LC.
  • Examination: banks examine documents for compliance with the LC terms and the governing rules (commonly UCP 600). The examination is document-based; banks do not verify the underlying goods.
  • Undertaking: if the presentation is complying, the issuing bank’s obligation becomes a commitment to pay on the specified maturity date (the deferred payment undertaking). If the LC is confirmed, the confirming bank has a parallel, independent undertaking to pay at maturity.

2) How maturity is set (determinable future date)

Deferred payment credits typically define maturity using an objectively determinable event date, for example:

  • “60 days after bill of lading date”
  • “90 days after date of shipment”
  • “45 days after invoice date”
  • “120 days after acceptance of documents” (less common and should be drafted carefully to avoid ambiguity)

In practice, the maturity date is calculated by the bank based on the date appearing on the relevant document (e.g., the on-board date on the bill of lading).

3) Commercial function

Deferred payment is used to provide the buyer with trade credit (time to sell goods or manage cash flow) while still giving the seller a bank payment undertaking after compliant presentation. It is therefore common in commodity, industrial equipment, and high-volume cross-border trade where payment terms of 30/60/90/120 days are market practice.

4) Risk profile (factual allocation)

Once a complying presentation is made:

  • The seller’s primary credit exposure shifts from the buyer to the bank(s) obligated under the LC (issuing bank and, if applicable, confirming bank).
  • The seller remains exposed to:
    • issuing bank credit risk (probability the bank cannot or will not pay), and
    • country/transfer risk in the bank’s jurisdiction (e.g., currency controls, payment moratoria, sovereign actions, sanctions restrictions, or other legal impediments to remittance). This is why exporters often insist on confirmation by a bank in a lower-risk jurisdiction or require issuance by a bank that meets specified credit criteria.

5) Financing and “discounting” (common market practice)

Although payment is contractually due at maturity, sellers frequently seek early payment by:

  • Discounting the deferred payment undertaking (the bank advances funds before maturity at a discount/interest charge), or
  • Forfaiting (sale of the receivable on a non-recourse basis, commonly for medium- to longer-tenor trade receivables).
Sellers may also use negotiation of export documents as a financing mechanism where the applicable LC structure and banking arrangements permit it. For a broader explanation of negotiation and financing of export documents, see What is negotiation of export documents?

Whether discounting is available depends on the quality of the obligated bank, tenor, documentation, and local regulatory constraints.


Acceptance (Usance / Term Draft; Acceptance Credit under a Letter of Credit)

An acceptance credit is an LC available “by acceptance,” meaning the beneficiary must present a time draft (bill of exchange) together with the other required documents. If the presentation complies, the bank specified in the LC (often the issuing bank or a nominated/confirming bank) accepts the draft, thereby undertaking to pay it at maturity.

1) What “acceptance” means in trade finance

To “accept” a draft is to mark/sign the draft as accepted, which creates a primary payment obligation of the accepting bank to pay the draft amount at maturity. In many jurisdictions, an accepted draft is treated as a negotiable instrument, which can facilitate financing and transfer.

2) Core mechanics

  • Presentation: beneficiary presents documents plus a draft drawn as required by the LC (e.g., “Drawn on issuing bank,” payable at X days).
  • Examination: bank examines documents for compliance.
  • Acceptance: if compliant, the bank accepts the draft and returns/holds it as required by banking practice.
  • Payment at maturity: the accepting bank pays the holder of the draft at maturity (often the beneficiary unless discounted/endorsed).

3) How maturity is expressed (precise conventions)

Acceptance credits commonly use:

  • “X days sight” (e.g., “30 days sight”): maturity is calculated from the “sight” date—commercially understood as the date the bank receives a complying presentation and accepts the draft (subject to the LC’s terms and the bank’s processing timeline).
  • “X days after [event date]” (e.g., “60 days after B/L date”): maturity is computed from the event date shown on the relevant document.

Because “sight” can be operationally sensitive, sophisticated drafting often ties maturity to an objective document date to reduce disputes about calculation.

4) Why acceptances are used (practical rationale)

Acceptance structures are used where parties want:

  • a formal instrument evidencing the bank’s promise to pay at maturity (the accepted draft), and/or
  • a receivable that may be easier to discount in the market, depending on the accepting bank and jurisdiction.

Deferred Payment vs Acceptance — Clear, Factual Comparison

FeatureDeferred Payment LCAcceptance LC
Draft Required?No (Relies on documents only)Yes (Requires a Time Draft)
Legal BasisBank's "Deferred Payment Undertaking"Bank’s "Acceptance" of the Draft
Maturity Wording$X$ days after B/L / Invoice / Shipment$X$ days after sight or B/L date
Pre-paymentDiscounting of the bank's undertakingDiscounting of the accepted draft
Governing LawUCP 600 onlyUCP 600 + Local Bill of Exchange Laws
Bank Examiner Note
Under UCP 600, deferred payment and acceptance are equally valid availability types. The determining factor is whether the credit requires a draft. Absence of a draft does not weaken the bank’s payment obligation once a complying presentation is made.

Practical Risk Points and Controls (Common in Professional Use)

  1. Documentary compliance risk (seller risk):
    Payment under an LC depends on documents being compliant. Document Discrepancies can delay payment or allow refusal. Sellers typically mitigate this with pre-checks, document specialists, and aligning LC terms with the sales contract and logistics reality.

  2. Bank selection and confirmation: The practical strength of either structure depends on the obligated bank’s credit and ability to remit funds. Confirmation is commonly used to reduce bank/country risk.

  3. Sanctions and legal restrictions: Even where documents comply, payment can be blocked by sanctions laws or regulatory restrictions affecting the bank or currency flows. Parties often address this commercially through bank choice, routing, and compliance screening.

  4. Clarity in maturity calculation: To avoid disputes, sophisticated credits define maturity based on objective document dates and avoid ambiguous triggers (e.g., undefined “approval,” “acceptance of goods,” or vague “sight” mechanics without context).


In practice, both deferred payment and acceptance credits are used to provide trade credit while preserving a bank-based payment undertaking after a complying documentary presentation. The commercial difference is primarily documentary: deferred payment credits do not require a draft and create a deferred payment undertaking stated in the credit, while acceptance credits require a time draft that becomes payable at maturity once accepted by the designated bank. In both structures, once documents comply, the beneficiary’s main exposure becomes bank credit risk and the transfer/country risk of the jurisdiction where the obligated bank is located—commonly mitigated by confirmation from a bank in a preferred jurisdiction and by ensuring the LC is drafted with objective maturity triggers and workable document requirements.


Actual Banking Examples: How LC Maturity Dates Work

Understanding the maturity date of a deferred-payment Letter of Credit (LC) is essential for exporters, importers, and trade-finance professionals. The starting point is always the exact wording of the LC.

A deferred-payment LC may determine its maturity by reference to the date of shipment, the date of presentation, or another specified date. The course material specifically notes that a maturity date may be specified as a period after shipment, a period after presentation, or as a fixed future date.

Example 1 — 60 Days After Shipment

LC wording:

“Payment at 60 days after the date of shipment.”

Assume:

  • Bill of Lading date: 10 September 2026
  • LC tenor: 60 days after shipment
  • Documents are presented: 15 September 2026
  • Documents are found complying: 16 September 2026

The important point is that the presentation and examination dates do not determine the maturity date.

The credit expressly establishes the starting point as the date of shipment. Therefore, the 60-day period runs from the shipment date evidenced by the relevant transport document.

Result: The maturity date is calculated by applying the LC's 60-day tenor to the stipulated shipment date.

In practice, the bank should therefore not calculate the maturity from 15 or 16 September merely because that is when the documents were presented or examined.

The uploaded course material gives the same general principle: a credit's future payment date can be specified by reference to the date of shipment.

Banking lesson:
Always identify the event from which the tenor runs before calculating maturity.


Example 2 — 90 Days After Presentation of Complying Documents

LC wording:

“Payment 90 days after presentation of complying documents.”

Now consider:

  • Bill of Lading date: 10 September 2026
  • Documents presented: 15 September 2026
  • Examination completed and documents determined to constitute a complying presentation: 17 September 2026
  • LC tenor: 90 days after presentation of complying documents

This is fundamentally different from Example 1.

The tenor is not linked to the Bill of Lading/shipment date. It is linked to the presentation of the documents in accordance with the credit.

Consequently, the shipment date does not automatically start the 90-day period.

The critical operational question is therefore whether the LC wording establishes the starting point as:

  • shipment;
  • presentation;
  • examination/acceptance of a complying presentation; or
  • another expressly identified date.

The course material confirms that an LC may specify maturity by reference to a period after the presentation of documents.

Banking lesson:
A 90-day tenor after presentation is not the same as a 90-day tenor after shipment. The two LCs can involve exactly the same goods and documents but produce different maturity dates.


Example 3 — Deferred Payment Without a Draft

Consider an LC stating:

“Available by deferred payment. Payment at 60 days after shipment. No draft required.”

This is a deferred-payment credit.

There is an important distinction between this arrangement and an acceptance credit.

Under a deferred-payment credit, the bank undertakes to make payment at the specified future maturity date once a complying presentation has been made. No bill of exchange is necessary.

The uploaded course material describes a credit available without drafts and explains that, where the credit is payable at a future date, the relevant bank undertakes to make payment on the maturity date.

By contrast, an LC available by acceptance involves a bill of exchange. The course material defines an acceptance LC as one available by acceptance of a bill of exchange drawn on the issuing bank or another nominated bank.


Feature

Deferred-Payment LC

Acceptance LC

Draft / Bill of Exchange

No draft/bill of exchange is required

A bill of exchange (draft) is required

Bank's Undertaking

Bank incurs a deferred-payment undertaking

Bank accepts the draft

Payment

Payment occurs at maturity

Accepted draft is paid at maturity

Negotiable Instrument

No negotiable instrument is necessarily created

The accepted bill may be a negotiable instrument, where applicable

Pre-maturity Financing

Beneficiary may seek financing by having the deferred-payment undertaking purchased/prepaid, subject to the banking arrangement

The accepted draft can generally be discounted before maturity


The distinction is not merely terminology. It affects the documentation, legal instrument, and financing mechanics of the transaction. The parties selected a deferred-payment credit rather than an acceptance or negotiation credit, and consequently no negotiable instrument was involved.

Banking lesson:
“Deferred payment” does not automatically mean “acceptance.” The presence or absence of a bill of exchange is a key distinction. 

Example 4 — Conflicting Dates: A Complete Banking Scenario

Consider the following transaction.

LC terms:

“Payment 60 days after Bill of Lading date.”

The transaction develops as follows:

EventDate
Bill of Lading issued10 September 2026
Goods shipped10 September 2026
Documents presented to nominated bank15 September 2026
Bank completes document examination18 September 2026
Documents determined to be complying18 September 2026
Deferred-payment period60 days after B/L date
MaturityCalculated from 10 September 2026

The dates have different functions.

1. Bill of Lading date — 10 September

This is the date from which the 60-day tenor runs because the LC expressly says “60 days after Bill of Lading date.”

2. Presentation date — 15 September

This is when the beneficiary submits the required documents to the bank.

It does not become the maturity starting date merely because the documents arrived at the bank on this date.

3. Examination date — 18 September

The bank completes its examination and determines whether the presentation complies with the LC.

This date is important for determining whether the bank has a complying presentation, but it does not replace the expressly stipulated maturity reference date.

4. Deferred-payment period — 60 days

The bank applies the 60-day tenor to the date specified in the LC.

Because the LC says 60 days after the Bill of Lading date, the calculation begins with 10 September, not 15 or 18 September.

5. Maturity date

The maturity is therefore calculated from the 10 September Bill of Lading date according to the LC's stated tenor.

Why this matters in banking practice

A common operational mistake is to look at the date on which the bank examined the documents and automatically count the deferred-payment period from that date.

That is incorrect where the LC expressly establishes another starting point.

The practical rule is:

Do not calculate maturity from the date that is most convenient to identify. Calculate it from the date/event specified by the LC.

This is why trade-finance staff must distinguish carefully between:

shipment date → presentation date → examination/compliance date → maturity date.

They can all be different dates, and each has a different function.


Professional Case Reference — Banco Santander / Bayfern

A particularly useful real-world banking example appears in the course material.

On 5 June 1998, Banque Paribas issued a Letter of Credit in favour of Bayfern Limited. The credit was available at Banco Santander in London by deferred payment, 180 days after the Bill of Lading, with maturity identified as 27 November.

Bayfern presented the documents to Santander on 15 June. The documents were found on their face to comply, creating an obligation for Paribas and Santander to pay approximately US$20.3 million at maturity on 27 November.

Santander subsequently discounted the documents and credited approximately US$19.6 million to Bayfern on 16 June, well before the contractual maturity date.

The case is particularly valuable because the course material emphasizes that:

  • the LC was a deferred-payment credit;
  • the parties had chosen it instead of an acceptance or negotiation credit;
  • no negotiable instrument was involved; and
  • the bank could finance the beneficiary before the maturity date through discounting/prepayment arrangements.

This illustrates an important distinction:

The maturity date is the date on which the bank's deferred-payment obligation becomes payable; it is not necessarily the date on which the exporter must wait to receive funds.

Where the banking arrangement permits it, a nominated/confirming bank may finance the beneficiary before maturity. UCP 600 Article 12(b), as reproduced in the course material, expressly addresses the authorization of a nominated bank to prepay or purchase a deferred-payment undertaking.

Key Professional Takeaway

When reviewing an LC, identify these five items separately:

  1. What event starts the tenor?
  2. What document establishes that event?
  3. When were the documents presented?
  4. When was the presentation determined to comply?
  5. What exact date does the LC establish as maturity?

Only after answering those questions should the bank calculate the maturity date.

A deferred-payment LC is therefore not simply “payment later.” It is a bank undertaking linked to a precisely defined future maturity, and the wording of the credit determines how that maturity is established.




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





Author Bio
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.




Irrevocable Reimbursement Undertaking (IRU) Under URR 725: A Practical Trade Finance Guide


by Kazi Suhel Tanvir Mahmud | AVP & Operations Manager, AB Bank plc

 Key Terms Covered in This Guide
  • Irrevocable Reimbursement Undertaking (IRU)
  • Reimbursement Undertaking
  • Reimbursing Bank in Letter of Credit
  • Bank-to-Bank Reimbursement under URR 725
  • Reimbursement Authorization vs Reimbursement Undertaking
  • SWIFT MT740 / MT742 / MT747 reimbursement messages
Reimbursement Undertaking definition in trade finance


Irrevocable Reimbursement Undertaking (IRU) in Trade Finance: Meaning, Process and Expert Guide

In one LC transaction I handled as a trade finance officer, the issuing bank had authorised an Irrevocable Reimbursement Undertaking in favour of the reimbursing bank. Documents were presented and examined by the nominated bank, which found a discrepancy and refused payment.

Despite the refusal under the credit, the reimbursing bank claimed payment under the IRU, arguing that its obligation was independent and irrevocable. The issuing bank assumed it could block reimbursement because the LC was not complied with — a costly misunderstanding.

The case made one thing very clear in practice: an IRU is not merely an administrative reimbursement mechanism. 

In practice, misunderstandings around reimbursement undertakings are common, particularly among institutions that treat reimbursement arrangements as operational instructions rather than legal obligations. Under URR 725, once a reimbursing bank issues an Irrevocable Reimbursement Undertaking (IRU), the obligation becomes independent of the underlying documentary credit relationship between the issuing bank and the beneficiary.

Once issued, it creates a separate bank-to-bank payment obligation, and the risk does not always follow the fate of the underlying letter of credit.

 What is an Irrevocable Reimbursement Undertaking (IRU)?

An Irrevocable Reimbursement Undertaking (IRU) is a separate, irrevocable undertaking issued by the reimbursing bank, upon the authorization or request of the issuing bank, to the claiming bank. It obligates the reimbursing bank to honour a complying reimbursement claim, provided the terms of the undertaking are met. It is not issued in favour of the beneficiary of the letter of credit, and it is independent of the underlying documentary credit. Ref: URR 725 Article 2(g).

So the sequence is: 

  1. Issuing bank authorizes or requests the reimbursing bank to issue an IRU.
  2. The reimbursing bank issues the IRU to the claiming bank, if it agrees to provide the undertaking.
  3. Once issued, the IRU is irrevocable and the reimbursing bank is bound to honour a complying reimbursement claim, provided the conditions of the IRU are met. 

However, in trade finance practices, banks that are reluctant to confirm an LC due to country risk or  the creditworthiness of the issuing bank may request a reimbursement undertaking. This instrument helps mitigate risk and provides assurance that reimbursement will be honored, thereby securing the confirming bank’s exposure.

Often, exporters or beneficiaries require the credit to be confirmed—particularly when the issuing bank is located in a high-risk country or has a low credit rating. But suppose the nominated bank (usually the exporter’s bank) lacks a credit limit or country exposure limit to take on the risk of such an issuing bank or jurisdiction. In that case, it may request the risk to be shifted to the reimbursing bank, often based in a more stable financial environment.

In such cases, the nominated or confirming bank may request an Irrevocable Reimbursement Undertaking (IRU) from the reimbursing bank, located in a safer jurisdiction where it has available limits. It’s crucial to understand that the reimbursing bank, when issuing such an IRU, is not concerned with the documentary compliance of the beneficiary’s presentation, but only with the validity of the claiming bank’s demand.

The reimbursing bank deals strictly with the claim from the claiming bank, not with the underlying documents presented under the letter of credit. Documentary examination remains the responsibility of the nominated or confirming bank under UCP 600 Articles 14–17, while reimbursement obligations fall under URR 725.

According to Article 1 of URR 725 (Uniform Rules for Bank-to-Bank Reimbursements), in a bank-to-bank reimbursement, the reimbursing bank acts solely on the instructions and under the authority of the issuing bank.

Further, Article 2 defines a Reimbursement Undertaking as a separate, irrevocable undertaking issued by the reimbursing bank upon the authorization or request of the issuing bank, addressed to the claiming bank. This obligates the reimbursing bank to honor the claim as long as the terms and conditions of the reimbursement undertaking are complied with.

Therefore, a reimbursing bank cannot issue an IRU without the explicit instruction from the issuing bank. Although an IRU is issued based on the authority of the issuing bank, once issued it creates a separate and irrevocable undertaking by the reimbursing bank in favor of the claiming bank, independent from the issuing bank’s payment obligation under the documentary credit.


The Role of Bank-to-Bank Reimbursements under URR 725

In a letter of credit transaction, the reimbursing bank plays a crucial role in facilitating bank-to-bank payment settlement. When an Irrevocable Reimbursement Undertaking (IRU) is issued under URR 725, the reimbursing bank becomes directly obligated to honor reimbursement claims from the claiming bank.

Bank-to-bank reimbursements streamline international trade by allowing an issuing bank to settle debts with a confirming bank through a third-party intermediary (the Reimbursing Bank). Under URR 725 Article 1, the reimbursing bank acts solely on the instructions of the issuing bank, ensuring that the payment flow remains independent of the underlying documentary compliance of the LC itself.

Why Reimbursement Undertakings Are Used?

In trade finance, some confirming banks are hesitant to confirm LCs due to:

  • Country risk
  • Issuing bank creditworthiness
To reduce their exposure, they may request an Irrevocable Reimbursement Undertaking (IRU) from a reimbursing bank in a more stable jurisdiction.

Key Benefits

  • Shifts risk from confirming bank to reimbursing bank
  • Enables exporters to receive payment promptly
  • Improves confidence in LCs involving high-risk issuing banks

How It Works

  1. The issuing bank instructs a reimbursing bank to issue a reimbursement undertaking.
  2. The confirming/nominated bank pays the beneficiary.
  3. The confirming bank submits a claim to the reimbursing bank.
  4. The reimbursing bank honors the claim if terms are met.

Operational Risk Considerations

In practice, reimbursement undertakings transfer a portion of payment risk from the confirming bank to the reimbursing bank. However, they also introduce operational risks if the terms of the reimbursement authorization and the reimbursement undertaking are not aligned. Disputes can arise when issuing banks attempt to stop reimbursement after a documentary discrepancy has been identified, even though the reimbursing bank has already issued an irrevocable undertaking.

For this reason, experienced trade finance practitioners ensure that reimbursement instructions clearly specify whether an Irrevocable Reimbursement Undertaking is authorized under URR 725.

Legal Foundation: The Intersection of UCP 600 & URR 725

While UCP 600 serves as the overarching framework for Letters of Credit, it does not provide the granular reimbursement mechanics for bank-to-bank settlements. That specialized role is governed by URR 725.

The 13(b) Bridge: Per UCP 600 Article 13(b), once a credit is made subject to the ICC reimbursement rules (URR), the Reimbursing Bank is legally insulated from the underlying LC's documentary compliance.

Article 9 (URR 725): Known as the 'Independence Clause,' this rule dictates that the Reimbursing Bank’s obligation to pay is not subject to claims or defenses by the Issuing Bank resulting from their relationships with the Beneficiary.

The "Separate Contract" Principle: Once an IRU is issued, it constitutes a binding contract between the Reimbursing Bank and the Claiming Bank, entirely independent of the Issuing Bank's payment obligation under the LC.

Expert Note: While the Reimbursing Bank’s obligation is independent of documentary compliance, it is not immune to statutory law. In today’s climate, an IRU can still be frozen by regulatory mandates. For a detailed analysis on how this works, read my specialized guide on OFAC Compliance and UCP 600: Understanding Banks’ Documentary vs. Regulatory Duties.

Always check Field 40E in the MT 740. If it specifies 'URR LATEST VERSION,'  the transaction is strictly governed by URR 725, ensuring that the IRU takes priority over any disputes regarding the underlying letter of credit.

The ICC Uniform Rules for Bank-to-Bank Reimbursements (URR 725) were specifically designed to govern reimbursement arrangements that arise from documentary credit transactions subject to UCP 600. While UCP 600 governs the relationship between the issuing bank, beneficiary, and nominated bank, URR 725 governs the reimbursement relationship between banks involved in the payment chain.
  • URR 725 Article 1: Reimbursing bank acts solely under issuing bank’s instructions.
  • URR 725 Article 2: Reimbursement undertaking is a separate, irrevocable instrument in favor of the claiming bank (not the beneficiary).

  • It is not concerned with document compliance by the beneficiary, only the validity of the claim by the claiming bank.
2026 Update

  • No changes to UCP 600 (still the 2007 version).
  • eUCP updated to v2.1 in 2023 for electronic LCs (not affecting reimbursement undertakings).
  • Incoterms® 2020 still in effect; no 2026 version released.
  • Digital LC platforms (e.g., Contour, Marco Polo) gaining traction—but traditional rules still apply unless otherwise agreed.

Summary

The Reimbursement Undertaking is a crucial risk-mitigation tool in letter of credit transactions, especially for confirming banks handling LCs issued from higher-risk jurisdictions. Although digital trends are emerging, as of 2026, the core rules under UCP 600 and URR 725 remain unchanged.

Is an Irrevocable Reimbursement Undertaking governed by ICC rules?

In the world of trade finance, these terms are often used interchangeably in casual conversation, but legally and technically, they represent two different stages of a commitment.

The short answer:   In practice, these terms are often used interchangeably. Under URR 725, a reimbursement undertaking is by definition irrevocable — so 'Reimbursement Undertaking' and 'Irrevocable Reimbursement Undertaking (IRU)' refer to the same instrument.

Table: Reimbursement Authorization vs. Irrevocable Reimbursement Undertaking (IRU) under URR 725

FeatureReimbursement AuthorizationIrrevocable Reimbursement Undertaking (IRU)
DefinitionAn instruction or authorization, independent of the credit, issued by the issuing bank to the reimbursing bank to reimburse a claiming bank.A separate, irrevocable undertaking of the reimbursing bank, issued upon the authorization or request of the issuing bank, to the claiming bank.
Issuing PartyIssuing BankReimbursing Bank
Receiving PartyReimbursing BankClaiming Bank
Governing RulesURR 725 (if incorporated); otherwise UCP 600 Art. 13URR 725 (if incorporated); otherwise UCP 600 Art. 13
RevocabilityRevocable unless stated otherwise. The issuing bank may amend or cancel by notice (URR 725 Art. 8).Irrevocable from the moment of issuance. Cannot be amended or cancelled without the consent of the claiming bank (URR 725 Art. 9).
Obligation on Reimbursing BankNo independent payment obligation. The reimbursing bank is not obligated to pay unless it has issued its own reimbursement undertaking.Yes. The reimbursing bank is irrevocably bound to honour a complying reimbursement claim.
SWIFT MessageMT 740 (Authorization to Reimburse) — sent by issuing bank to reimbursing bank.No dedicated MT message. Issued by authenticated SWIFT message, typically MT 799 (Free Format Message), or by letter.
AmendmentMT 747 (Amendment to an Authorization to Reimburse) — sent by issuing bank to reimbursing bank.Amendment advice from reimbursing bank to claiming bank; MT 799 or letter.



Why the "Irrevocable" Part Matters

In international trade, "Irrevocable" is the magic word.

Reimbursement Authorization: The Issuing Bank tells the Reimbursing Bank, "You are authorized to pay Bank X." This is just an instruction; it doesn't give Bank X a guarantee.

Irrevocable Reimbursement Undertaking (IRU): The Reimbursing Bank then tells Bank X, "We undertake to pay you, and we cannot take this promise back."

Once it is Irrevocable, the Reimbursing Bank is legally obligated to pay a valid claim even if the Issuing Bank changes its mind or runs into financial trouble (provided the Reimbursing Bank has the funds).

Technical Implementation (SWIFT):

MT 740: Reimbursement Authorization (Sent by the Issuing Bank to the Reimbursing Bank). An IRU is often specifically requested here.

MT 742: Reimbursement Claim (Sent by the Claiming Bank to the Reimbursing Bank).

This is correct when the reimbursing bank has issued an IRU. However, under URR 725, if no IRU is issued, the claim is still sent by the claiming bank to the reimbursing bank — the message type depends on the arrangement. This is a minor point but worth clarifying.

MT 747: Amendment to a Reimbursement Authorization (sent by issuing bank to reimbursing bank).

The journey of an IRU actually starts in the MT 700 (the LC itself). Look at Field 47A or 78. If it says 'Reimbursement is subject to URR 725 and an Irrevocable Reimbursement Undertaking is required,' the Issuing Bank is signaling the need for this extra layer of security before the LC is even confirmed.

In practice, reimbursement authorizations are usually transmitted via MT740 (Authorization to Reimburse), while amendments to the reimbursement authorization are sent via MT747. If the reimbursing bank is instructed to add its irrevocable undertaking, this must be explicitly stated in the SWIFT message. 

Irrevocable Reimbursement Undertaking (IRU) – Professional Trade Finance Perspective

Having established what an IRU is and who issues it, this section examines its practical value in trade finance — particularly for banks managing cross-border payment risk.

How IRU Works in Letters of Credit ? 

Operational Mechanics of an IRU:

  1. Issuance of LC and IRU
    The process begins when the importer instructs the issuing bank to open a letter of credit in favor of the exporter. The LC specifies:

    • The nominated/negotiating bank, which may confirm or negotiate the credit.

    • The reimbursing bank, responsible for repayment of funds advanced.

    • Compliance documentation required for payment.

    The reimbursing bank issues the IRU to the nominated (claiming) bank, creating an irrevocable obligation to reimburse funds advanced by the claiming bank, provided the terms of the reimbursement undertaking are met. This eliminates uncertainty for the nominated bank and gives it the confidence to pay the exporter without waiting for reimbursement from the issuing bank.

    Key points:

    • IRU is irrevocable: cannot be canceled or modified unilaterally.

    • Provides payment certainty to the nominated bank.

    • Reduces the exporter’s counterparty risk.

  2. Document Submission and Compliance Check
    The exporter ships goods per the LC terms and presents all required documents to the nominated bank. The nominated bank performs a strict compliance check against the LC conditions. Compliance verification is critical; even minor discrepancies can delay payment or trigger refusal. The IRU assures the nominated bank that, once it determines the documents to be compliant and submits a complying reimbursement claim, reimbursement will follow under the undertaking.

    Key points:

    • Document compliance is determined by the nominated bank under UCP 600. The reimbursing bank, however, deals only with the reimbursement claim and the terms of its undertaking.

    • Nominated bank can confidently release payment to the exporter.

    • Reinforces ICC rules and best practices in documentary credits.

  3. Reimbursement Flow

    After payment to the exporter, the nominated bank submits a reimbursement claim to the reimbursing bank. The reimbursing bank, under the IRU, is obliged to reimburse the full amount advanced, without further approvals from the issuing bank. The reimbursing bank then claims reimbursement from the issuing bank under the terms of the reimbursement authorization, closing the financial loop.

    Key points:

    • Ensures liquidity management across the banking chain.

    • Mitigates credit risk for the nominated bank.

    • Operates under the URR 725 framework, with document examination governed separately by UCP 600.


Benefits of IRU in Trade Finance

  • Risk Mitigation: The IRU removes the risk of non-payment for nominated banks and exporters.

  • Payment Certainty: Exporters receive immediate or near-immediate payment upon document compliance.

  • Banking Efficiency: Reduces operational delays and streamlines interbank settlements.

  • Legal Enforceability: Being irrevocable, the IRU is a binding banking instrument recognized under ICC guidelines.

  • Strategic Use: Particularly valuable in medium- and long-term trade finance, standby LCs, and complex multi-bank arrangements.

For trade finance practitioners, the IRU is a critical instrument to facilitate secure, predictable, and enforceable international transactions. It provides a structured mechanism for reimbursement, ensures adherence to LC terms, and protects both the nominated bank and the exporter. Mastery of IRU operations, compliance verification, and interbank settlement procedures is essential for bankers, trade finance officers, and export-import professionals managing cross-border transactions under letters of credit.

Irrevocable Reimbursement Undertaking (IRU) Process Flow & URR 725 Steps

Workflow of Irrevocable Reimbursement Undertaking (IRU) and URR 725 SWIFT MT740 and MT742

The IRU Lifecycle: Step-by-Step

  • Step 1: Issuance of MT740 – The issuing bank sends a SWIFT MT740 Reimbursement Authorization to the reimbursing bank.

  • Step 2: Request for IRU – The claiming bank requests the security of an irrevocable commitment.

  • Step 3: IRU Issued (MT799/Letter) – The reimbursing bank sends the IRU to the claiming bank, creating an independent obligation.

  • Step 4: Claim & Presentation – The claiming bank submits a SWIFT MT742 reimbursement claim.

  • Step 5: Reimbursing Bank Pays Claim – Under URR 725 Article 11, the bank pays the claim within 3 banking days.

The Strategic Value of the IRU

In the world of international trade, clarity is the best defense against risk. While a standard reimbursement authorization under URR 725 provides the mechanical framework for payment, the Irrevocable Reimbursement Undertaking (IRU) provides the legal certainty that modern global trade demands.

By establishing an independent obligation between the reimbursing and claiming banks, the IRU ensures that payment flows remain predictable, regardless of the relationship between the applicant and the issuing bank. For trade finance professionals, mastering these SWIFT flows—from the MT740 to the final MT742 claim—is not just about compliance; it is about building trust and efficiency in the global supply chain.