Unpaid / Non-Payment — Meaning and Initial Response in Trade Finance

What Does Unpaid Mean in Trade Finance?

Unpaid refers to a situation in which an amount due under an international trade transaction has not been paid at the agreed payment date or settlement stage.

Related expressions include non-payment, overdue payment, payment default, and failure to pay at maturity.

Where a bill of exchange or collection is involved, refusal to accept or pay may be described as dishonour.

Unpaid may arise under D/P, D/A, documentary credits, L/G Negotiation, Open Account, deferred T/T, bank negotiation, and other trade finance arrangements.

However, the legal and practical meaning of Unpaid differs according to the payment method.

Under D/P, the main issue is often that the importer refuses to pay and does not take up the documents or cargo. Under D/A, the typical issue is non-payment at maturity after the importer has accepted the bill and obtained the documents.

Under an L/C, payment may be delayed or refused because of a discrepancy, issuing-bank risk, transfer restrictions, force majeure, sanctions, or expiry of the credit.

Under L/G Negotiation, the exporter may remain exposed to recourse by the negotiating bank even though funds were advanced before final settlement.

Under Open Account, the issue becomes management and recovery of an overdue trade receivable.

Unpaid is therefore not merely an accounting status showing that funds have not yet arrived. It may directly affect the exporter’s cash flow, bank recourse, cargo storage or disposal, insurance notification, suspension of additional shipments, and debt-recovery strategy.

Scope of This Article

Item	Covered in This Article	Topics Requiring Separate Analysis
Basic meaning of Unpaid	The meaning of non-payment at an agreed trade settlement stage or maturity date	Domestic accounts-receivable accounting and general bookkeeping
D/P	Response where the importer does not pay or take up the documents and cargo	All provisions of URC 522 and detailed collection instructions
D/A	Response to non-payment at maturity after acceptance of a time draft	Detailed bills-of-exchange law and legal recovery procedures in each country
L/C	Non-payment caused by discrepancies, bank risk, restrictions, or expiry	Full analysis of UCP 600, ISBP, and individual credit terms
L/G Negotiation	Non-payment after negotiation under an exporter’s letter of guarantee and bank recourse	Individual negotiation agreements, guarantee forms, and bank financing terms
Open Account	Overdue trade receivables and credit control in deferred-payment transactions	Detailed international factoring and forfaiting agreements
Protest	Whether formal evidence of non-acceptance or non-payment is required	Notarial procedures, litigation, and enforcement under local law
Cargo handling	Local resale, return, third-country resale, discount sale, and disposal of uncollected cargo	Destination-country import, re-export, and waste-disposal procedures
Insurance	The distinction among cargo insurance, export bill insurance, and trade credit insurance	Individual underwriting, exclusions, and claim procedures

Main Situations in Which Unpaid Arises

Transaction Type	Situation in Which Unpaid Arises	Main Exporter Risk	First Point to Confirm
D/P	The importer does not pay and does not take up the shipping documents.	Cargo detention, storage, demurrage, return cost, resale loss, and non-payment	Whether the cargo remains undelivered, can be held, and is generating charges
D/A	The importer accepts a time draft but fails to pay at maturity.	Non-payment after cargo delivery, recovery expense, and bank recourse	Maturity, reason for dishonour, protest, and recourse rights
L/C	Payment is refused or delayed because of a discrepancy, bank risk, or restriction.	Refusal, delayed payment, discount demand, or conversion to collection	Discrepancies, refusal notice, waiver, and the bank’s undertaking
L/G Negotiation	The issuing bank or importer refuses payment after negotiation under an L/G.	Recourse by the negotiating bank against the exporter	The L/G, negotiation agreement, recourse, and refusal reason
Open Account	The importer fails to remit on the Invoice due date.	Long-overdue receivables, bad debt, and increased exposure from further shipments	Reason for delay, credit limit, willingness to pay, and insurance notification

The first step after identifying Unpaid is to determine the applicable payment method.

Under D/P, cargo location and disposal are often central. Under D/A, maturity, protest, and recourse are central. Under an L/C, discrepancies and bank undertakings are central. Under L/G Negotiation, recourse is central. Under Open Account, credit control and debt recovery are central.

Common Misunderstandings

Misunderstanding	Practical Position	Caution
Payment is final because the bank negotiated the documents.	Where negotiation is with recourse or under an L/G, the bank may claim repayment from the exporter if final settlement fails.	Confirm whether the transaction is collection or negotiation and whether recourse applies.
Cargo can always be stopped under D/P.	Original B/L control may help, but delivery may be difficult to stop under a Surrendered B/L, Sea Waybill, or AWB.	Review the transport document and destination Release status.
The bank guarantees payment under D/A.	D/A is a collection against the importer’s acceptance and does not automatically create a payment guarantee by the collecting bank.	Confirm whether a separate bank guarantee or Aval exists.
Unpaid cannot occur under an L/C.	Discrepancies, bank risk, transfer restrictions, force majeure, sanctions, and expiry may prevent payment.	Review the credit terms and bank risk before shipment.
The importer must remit after receiving a B/L copy.	Payment after review of a B/L copy still leaves a risk that the importer will not remit.	Do not release the Original B/L or issue Surrender instructions before receipt.
A minor discrepancy cannot justify non-payment.	A document that does not comply with the credit may be refused by the issuing bank.	Do not decide unilaterally that a discrepancy is immaterial.
A protest is automatically made whenever a D/A bill is unpaid.	The requirement depends on the collection instruction, governing law, banking practice, and insurance terms.	Confirm immediately because the applicable deadline may be short.
Marine cargo insurance covers non-payment.	Ordinary cargo insurance covers physical cargo loss or damage during transit.	Consider trade credit insurance, guarantees, or factoring for payment risk.
Insurance notification can wait because the importer may still pay.	The policy may require notice when material delay or an insured circumstance is identified.	Do not wait for final bad-debt determination.
An installment agreement can be accepted without consulting the insurer.	Payment extensions, debt reductions, and settlements may require insurer approval.	Consult the insurer before changing the receivable terms.

Unpaid Under D/P

D/P means Documents against Payment. The importer receives the commercial documents against payment through the collection banks.

Where the importer does not pay, the collecting bank normally does not release the documents.

If the Original B/L remains under bank or exporter control and the cargo has not been delivered, a degree of cargo control may remain.

However, banks do not automatically undertake responsibility for storing, insuring, or disposing of the goods.

Where the importer refuses to take up the documents and cargo, the exporter must work with the destination agent, shipping line, NVOCC, warehouse, and banks to confirm the cargo status and delivery position.

Under D/P, payment recovery must be managed together with storage charges, demurrage, container costs, return expenses, and decline in cargo value.

Cargo Options After D/P Non-payment

Option	When It May Be Considered	Items to Confirm	Main Caution
Local resale	The goods are generally marketable and another local buyer exists.	Import restrictions, customs status, price, ownership, and payment method	Customized, branded, regulated, or licensed goods may be difficult to resell.
Return shipment	Local sale is difficult and the exporter can reuse the goods.	Return freight, re-import procedure, packing, insurance, and cargo value	The return cost may exceed the cargo value.
Third-country resale	The goods cannot be sold locally but may be sold in another market.	Re-export procedure, third-country restrictions, additional freight, buyer credit, and insurance	Storage charges continue while the arrangement is being made.
Discount sale	Early disposal may reduce further loss.	Discount, buyer, insurance implications, recovery amount, and remaining debt	An unauthorized discount may affect an insurance claim.
Destruction or disposal	The cargo value is low and storage or return is uneconomic.	Local law, dangerous-goods rules, disposal cost, ownership, and insurance notice	Do not dispose of the goods without appropriate approvals.

Local resale, return, third-country resale, discount sale, and disposal are often considered in that general order, but the correct order depends on the goods and circumstances.

Perishable, seasonal, dangerous, temperature-controlled, customized, or regulated cargo may require immediate action because delay rapidly reduces its value.

Demurrage, Detention, and Storage

D/P non-payment may cause cargo to remain at destination while several types of charges accumulate simultaneously.

Demurrage generally concerns a container or cargo remaining within a port or terminal beyond the applicable Free Time.

Detention generally concerns failure to return a container within the permitted period after it has been removed from the terminal.

The terminology and calculation differ among shipping lines, terminals, countries, and contracts.

The following charges should be monitored daily:

• Terminal storage
• Demurrage
• Detention
• Warehouse storage
• Reefer or electricity charges
• Dangerous-goods surcharges
• Customs and re-export costs
• Destination-agent charges
• Return or resale arrangement costs

Continuing only to demand payment while postponing the cargo decision may cause the accumulated charges to exceed the cargo value.

Unpaid Under D/A

D/A means Documents against Acceptance. The importer receives the commercial documents against acceptance of a time draft.

The importer may receive, use, or sell the goods before the maturity date.

Failure to pay the accepted draft at maturity is the typical form of Unpaid under D/A.

Unlike D/P, the cargo has often already been delivered. It is therefore generally difficult to restore cargo control after non-payment occurs.

The exporter should review the reason for dishonour, the importer’s financial position, guarantees, security, rights under the bill, bank negotiation, protest, and insurance notification.

Where the bank negotiated the bill with recourse, the bank may claim repayment from the exporter after the importer’s failure to pay.

Relationship with Protest

Refusal to accept or pay a bill may be described as dishonour.

A protest is a formal procedure or certificate evidencing that a bill was not accepted or paid.

URC 522 addresses protest in a separate article.

However, a collecting bank does not automatically arrange protest in every case of non-payment.

The requirement depends on the collection instruction, governing law of the instrument, destination-country law, banking practice, preservation of recourse rights, and insurance terms.

Where protest is required, the deadline may be short. Waiting for an informal payment promise may affect rights under the bill, recourse, or insurance.

After D/A non-payment, confirm immediately:

• Whether a formal dishonour notice was issued
• Whether protest is required
• The protest deadline
• Who must arrange it
• Who bears the cost
• Where the original bill is held
• Whether insurance notification is required

Unpaid Under an L/C

Under a documentary credit, the issuing bank and any confirming bank undertake to honour, accept, or negotiate a complying presentation in accordance with the credit.

An L/C generally provides greater payment security than D/P or D/A, but it does not eliminate all non-payment risk.

Typical causes include:

• Documentary discrepancy
• Expiry of the credit
• Late presentation
• Issuing-bank insolvency or closure
• Transfer restrictions or foreign exchange shortage
• Financial sanctions
• Force majeure affecting bank operations
• Suspected fraud

After an Unpaid notice, distinguish between a buyer who is unwilling to pay and a bank asserting that it has no obligation to honour the presentation.

Relationship Between Unpaid and Discrepancy

A discrepancy is an inconsistency between the terms of the credit and the documents presented.

Where a discrepancy exists, the issuing bank may refuse the presentation under UCP 600 and the credit terms.

The applicant may waive the discrepancy, and the issuing bank may decide to accept that waiver. However, the applicant’s waiver alone does not necessarily determine the issuing bank’s response in every case.

Where the importer’s financial condition has deteriorated, a discrepancy may be used as a basis for refusal or price renegotiation.

Before shipment, review:

• B/L or AWB
• Commercial Invoice
• Packing List
• Insurance policy or certificate
• Certificate of Origin
• Inspection Certificate
• Weight or quantity certificate
• Shipment advice
• Presentation period and credit expiry

Any condition that cannot be satisfied should be amended before shipment.

Unpaid Under L/G Negotiation

L/G Negotiation is a banking practice in which an exporter presents documents containing discrepancies and provides a letter of guarantee to request negotiation.

The term and procedure are not a single internationally standardized mechanism. Their effect depends on the negotiation agreement and guarantee wording used by the bank.

The bank may advance funds based on the exporter’s reimbursement undertaking rather than guaranteeing that the issuing bank will ultimately pay.

If the issuing bank refuses because of a discrepancy and the importer does not waive it, the negotiating bank may require the exporter to repay the advance.

This claim by the bank is commonly described as recourse.

Before using L/G Negotiation, confirm:

• Whether the handling is negotiation or collection
• Whether recourse applies
• The scope of the guarantee
• The repayment date
• Interest and charges
• The issuing bank’s refusal reason
• The possibility of obtaining the importer’s waiver
• The relationship with trade credit or export bill insurance

Response to Recourse After L/G Negotiation

Response	Items to Confirm	Primary Evidence	Caution
Direct demand on the importer	Reason for refusal and possibility of waiver	Bank refusal notice, Invoice, and sales contract	The discrepancy may be used to negotiate a discount.
Issuing-bank review	Refusal reasons, timing, and return of documents	SWIFT messages, refusal notice, and presented documents	Review whether the refusal was timely and sufficiently specific.
Negotiating-bank discussion	Recourse amount, interest, repayment date, and security	Negotiation agreement, L/G, and calculation	Manage repayment to the bank separately from recovery from the importer.
Insurance notification	Coverage, notification period, and required documents	Policy, negotiation notice, and refusal notice	Do not wait until recourse is finally settled.
Suspension of further shipments	Other unpaid receivables and pending orders	Receivables ledger, order book, and shipping schedule	Share the suspension immediately with sales and management.

Unpaid Under Open Account

Under Open Account, the exporter ships the goods first and the importer pays later on the Invoice due date.

Bank control over the shipping documents and cargo delivery is generally lower than under an L/C, D/P, or D/A collection.

Where the importer does not remit on the due date, the amount becomes an overdue trade receivable.

Important controls include:

• Credit limit by importer
• Payment period
• Historical payment performance
• Days overdue
• Total outstanding Invoices
• Automatic suspension criteria for additional shipments
• Trade credit insurance limit
• Bank or parent-company guarantee
• Factoring arrangements

A single minor delay does not necessarily require termination of the relationship. However, repeated delays, loss of contact, repeated breach of payment promises, requests for installments, and frequent beneficiary-account changes may indicate deteriorating credit.

Relationship Between Transport Documents and Cargo Delivery

Transport Document	Potential to Stop Delivery	Main Unpaid Risk	Practical Response
Original B/L	Relatively high	Holding the original may provide a degree of cargo-delivery control.	Do not release the original before the agreed payment condition is satisfied.
Surrendered B/L	Low	After Surrender, cargo may be released without presentation of an Original B/L.	Avoid issuing Surrender instructions before receipt of funds.
Sea Waybill	Low	Delivery is not controlled through presentation of an Original B/L.	Use cautiously with deferred T/T or Open Account.
Air Waybill	Low	Air cargo arrives quickly, and an AWB is not ordinarily a negotiable document of title.	Consider advance payment, guarantees, or credit insurance for high-value or new transactions.
Electronic B/L	Platform-dependent	Control, transfer, and Surrender procedures differ by system.	Confirm access rights, transfer of Control, and bank acceptance.

Even where the exporter retains an Original B/L, cargo cannot necessarily be held indefinitely.

Storage charges, statutory sale, deterioration, dangerous-goods restrictions, customs procedures, or destination law may limit practical cargo control.

Role of Banks After Unpaid

Under D/P and D/A, banks act under the collection instruction to present documents, obtain payment or acceptance, and remit collected funds.

The collecting bank does not automatically pay from its own funds when the importer refuses payment.

Banks also deal with documents rather than inspecting or guaranteeing the physical goods.

Under an L/C, the issuing and confirming banks have documentary credit obligations, but those obligations depend on a complying presentation.

Where the bank has advanced funds under pre-financing, negotiation with recourse, or L/G Negotiation, final payment risk may remain with the exporter.

The exporter must therefore identify the bank’s legal and contractual role rather than assuming protection merely because a bank is involved.

Initial Decision Flow After Unpaid

Stage	Items to Confirm	Decision Point	Next Action
1. Identify the payment method	D/P, D/A, L/C, L/G Negotiation, or Open Account	How the bank, documents, and cargo are connected	Assign the correct response procedure and responsible personnel.
2. Confirm the due date	Payment date, maturity, grace period, and bank statement	Whether the amount is formally unpaid or still being processed	Confirm the status with the importer and bank.
3. Identify the cause	Insufficient funds, discrepancy, regulation, bank closure, or commercial dispute	Whether the issue is commercial risk, political risk, or documentary failure	Obtain evidence and allocate responsibility by issue.
4. Confirm cargo status	Unshipped, in transit, stored, delivered, or resold	Whether the cargo can be stopped and whether costs are increasing	Issue a Hold instruction to the shipping line, NVOCC, or agent.
5. Confirm the bank position	Collection, negotiation, recourse, guarantee, refusal, and document location	Whether the exporter must repay the bank	Confirm the amount and deadline with the bank.
6. Protect legal rights	Protest, dishonour evidence, governing law, and deadlines	Whether immediate action is required	Consult the bank and appropriate specialists.
7. Notify insurers	Policy, notice deadline, credit limit, and exclusions	Whether notice of an insured circumstance is required	Give notice before final bad-debt determination where appropriate.
8. Prevent further loss	Additional shipments, storage charges, value decline, and recovery expense	Whether waiting will increase the loss	Suspend shipments and decide the cargo strategy.
9. Establish the recovery plan	Full payment, installments, guarantee, set-off, litigation, or assignment	Whether the expected recovery justifies the cost	Approve a plan with deadlines and responsible personnel.

Cases Commonly Encountered in Practice

Case	Main Cause	Documents to Review	Decision Point	Initial Response
The importer does not pay or take up the D/P documents and cargo.	Funding shortage, market-price decline, or loss of resale customer	Collection instruction, B/L, Arrival Notice, and charge statement	Whether the cargo can be held, resold, or returned	Place the cargo on Hold and review charges and disposal options daily.
D/P cargo was delivered under a Surrendered B/L.	Misalignment between payment terms and transport document	B/L, Surrender instruction, delivery record, and bank documents	Who issued the Surrender instruction before payment	Stop further delivery and demand payment directly from the importer.
A D/A bill is unpaid at maturity.	Deterioration in the importer’s liquidity	Bill, maturity notice, and bank dishonour advice	Whether protest, recourse, or insurance notice is required	Confirm deadlines with the bank and consider immediate insurance notice.
The importer requests installments after D/A maturity.	Insufficient ability to pay in full	Payment proposal, financial information, and insurance policy	Whether the amendment affects insurance or rights under the bill	Consult the bank and insurer before agreement.
L/C documents are refused for discrepancies.	Inconsistency in the B/L, Invoice, or insurance document	Credit, presented documents, refusal notice, and SWIFT messages	Whether refusal was timely and specific and whether waiver is available	Request waiver through the issuing bank and importer.
The bank exercises recourse after L/G Negotiation.	The issuing bank refused payment.	L/G, negotiation agreement, refusal notice, and calculation	Whether recourse and the amount comply with the agreement	Confirm repayment timing and pursue the importer and insurance options.
Payment promises are repeatedly postponed under Open Account.	Deterioration in the importer’s credit	Invoices, collection records, promises, and receivables ledger	Whether the delay is temporary or indicates inability to pay	Suspend further shipments and set a specific recovery deadline.
The importer cannot pay because of transfer restrictions.	Foreign exchange restriction or shortage	Bank notice, government announcement, and remittance application	Whether the loss is commercial or political risk	Notify the credit insurer and discuss alternative payment methods.
Uncollected cargo is damaged during storage.	Long storage, temperature failure, or handling accident	Policy, Survey Report, warehouse records, and photographs	Whether a cargo insurance loss exists separately from Unpaid	Notify the cargo insurer and handle the payment and cargo claims separately.
The insurance notice deadline is missed.	The exporter assumed that the L/C or bank negotiation provided complete protection.	Policy, bank notices, overdue records, and internal records	Whether late notice affects coverage	Explain the circumstances to the insurer and submit all available evidence immediately.

Example 1: Perishable D/P Cargo Cannot Be Resold or Returned

Assume that an exporter ships perishable food under D/P terms. After arrival, the importer refuses payment because the market price has fallen and does not take up the documents.

The bank retains the Original B/L, and the cargo has not been delivered.

The problem is not limited to the unpaid price. Refrigerated storage, container charges, deterioration, and the disposal deadline immediately become material.

Local resale or return may be possible for ordinary cargo, but the value of perishable goods may decline while another buyer is being located. The goods may have no commercial value by the time a return shipment can be arranged.

The exporter must compare the immediate local sale value, recovery through a discount, disposal cost, and insurance implications and select the option that minimizes the overall loss.

Continuing only to demand payment while postponing the cargo decision may produce the greatest loss.

Example 2: Issuing Bank Refuses Payment After L/G Negotiation

Assume that an exporter ships under an L/C, but the B/L contains a date discrepancy.

The exporter provides an L/G to the negotiating bank and receives funds.

The issuing bank later refuses payment because of the discrepancy, and the importer does not waive it.

The negotiating bank exercises recourse under the L/G and negotiation agreement for the principal amount, interest, and expenses.

The fact that the bank advanced funds does not mean that the exporter’s payment risk was finally extinguished.

The exporter must review whether the refusal notice was timely and specific, whether waiver remains possible, whether the recourse amount complies with the agreement, and whether insurance notice is required.

Example 3: Protest Is Considered After D/A Non-payment

Assume that the importer accepts a time draft under D/A and receives the cargo but fails to pay at maturity.

The importer states that payment will be made the following month, and the exporter waits several days before contacting the bank.

However, the collection instruction or governing law may require protest within a limited period to preserve recourse or other rights.

Protest is not required in every D/A transaction under identical conditions.

The important point is to confirm the requirement and deadline with the bank before relying on the importer’s informal payment promise.

Any extension or installment agreement should also be reviewed for its effect on rights under the bill, bank recourse, and insurance.

Example 4: Further Shipments Continue During Open Account Default

Assume that an exporter has supplied a long-standing importer on 60-day Open Account terms.

The first Invoice becomes 30 days overdue, but the sales team continues further shipments because the importer has been a customer for many years.

The second and third Invoices also become unpaid, increasing the exposure to three times the original overdue amount.

The absence of an automatic shipment-suspension standard caused the loss to increase.

Open Account controls should establish objective thresholds based on days overdue, total outstanding exposure, credit limit, and performance of payment promises.

Historical performance is relevant, but it does not guarantee the importer’s current ability to pay.

Review Before, During, and After Unpaid

Stage	Main Review Items	Practical Purpose	Primary Response
Before Unpaid	Credit, payment terms, tenor, transport documents, insurance, collection, or negotiation	Reduce the probability and amount of loss	Set limits, deposits, L/C, guarantees, and insurance.
When Unpaid occurs	Due date, refusal reason, cargo location, bank notice, protest, and insurance deadline	Prevent missed notices, loss of evidence, and rising costs	Hold cargo, notify insurers, and suspend further shipments.
After Unpaid	Recovery, installments, guarantees, cargo disposal, litigation, and insurance claim	Maximize recovery and prevent additional loss	Implement an approved recovery plan.

Relationship with Marine Cargo Insurance

The principal issue in Unpaid is payment and credit risk.

Ordinary marine cargo insurance covers physical loss of or damage to cargo during transit and does not insure the importer’s failure to pay.

Where cargo arrives without damage but the importer refuses payment, the matter concerns trade receivables and payment risk rather than cargo insurance.

However, D/P cargo may remain uncollected at a port or warehouse and become physically damaged during storage.

In that situation, separate:

• The non-payment and debt-recovery issue
• The physical cargo damage during storage

For cargo insurance purposes, review the insurance period, storage location, whether the ordinary course of transit continues, and whether extended storage or a material change in risk has occurred.

Relationship with Export Bill Insurance and Trade Credit Insurance

Export Bill Insurance generally insures the bank that purchased the documentary export bill.

Its contractual structure and insured party differ from trade credit insurance under which the exporter is directly insured.

The bank’s use of Export Bill Insurance does not automatically eliminate recourse against the exporter under the negotiation agreement.

Trade insurance or private credit insurance covering export receivables may respond to buyer insolvency, prolonged default, transfer restrictions, war, political disturbance, or other insured risks.

Risk	Possible Risk-Mitigation Method	Typical Insured or User	Main Caution
D/A non-payment at maturity	Export Bill Insurance, trade insurance, or credit insurance	Bank or exporter	Review protest, bank notice, claim notice, and recourse.
Open Account default	Trade insurance, private credit insurance, or international factoring	Exporter or factor	Review credit limit, overdue notice, and recovery obligations.
Recourse after L/G Negotiation	Bank discussion, trade insurance, or credit insurance	Depends on the contract	Separate bank recourse from the insured receivable.
Long-term receivable	Forfaiting, factoring, guarantee, or credit insurance	Exporter, bank, or factor	Confirm recourse, guarantor, and eligible receivable.
Transfer restriction or political disturbance	Trade insurance covering political risk	Exporter or financial institution	Review the country, cause of loss, and notice period.

When Specialist Review Is Required

• The requirement or deadline for protest after D/A non-payment is unclear.
• The bank exercises recourse after L/G Negotiation or negotiation of a bill.
• The validity of an issuing bank’s refusal under UCP 600 is disputed.
• The importer enters insolvency, liquidation, restructuring, or attachment proceedings.
• Local law affects resale, return, or destruction of uncollected cargo.
• Cargo was delivered despite retention of the Original B/L.
• An installment or debt-reduction agreement may affect insurance coverage.
• Payment stops because of transfer restrictions, sanctions, or political disturbance.
• Physical cargo damage and non-payment occur at the same time.

Depending on the case, the collecting bank, negotiating bank, issuing bank, shipping line, NVOCC, destination agent, credit insurer, cargo insurer, lawyer, and local recovery agency should be consulted.

Unpaid Prevention and Response Checklist

Review Stage	Party to Consult	Items to Confirm	Response if a Problem Is Identified
Before starting the transaction	Sales, credit management, importer	Credit, legal existence, payment record, and country risk	Require a deposit, L/C, guarantee, or transaction limit.
When setting payment terms	Exporter, importer, bank	Whether the method is D/P, D/A, L/C, T/T, or Open Account	Change terms that do not match the risk.
When reviewing bank handling	Collecting or negotiating bank	Collection, negotiation, recourse, and L/G	Obtain written confirmation of recourse conditions.
Upon receipt of an L/C	Advising bank, documentation team	Unsatisfiable terms, deadlines, place of presentation, and documents	Request an amendment before shipment.
When selecting the transport document	Exporter, freight forwarder, NVOCC	Original B/L, Surrendered B/L, Sea Waybill, or AWB	Select a method that does not allow delivery before payment where required.
Before shipment	Sales, management, bank	Deposit, credit limit, outstanding balance, and insurance limit	Stop shipment where the limit is exceeded.
At document presentation	Bank, documentation team	Discrepancies, presentation period, and receipt evidence	Correct errors and retain evidence of presentation.
Before the payment date	Importer, bank, sales	Payment plan, remittance preparation, maturity, and liquidity	Hold further shipments where delay indicators appear.
When Unpaid occurs	Importer, bank, destination agent	Reason, cargo status, document location, and charges	Hold cargo, demand payment, and preserve evidence.
After dishonour of a bill	Collecting bank, appropriate specialist	Dishonour notice, protest, deadline, and recourse	Complete rights-preservation procedures immediately.
Insurance review	Insurer, insurance institution	Notice, credit limit, recovery obligations, and amendments	Obtain approval before accepting installments or reducing the debt.
Recovery-plan approval	Management, lawyer, recovery agency	Expected recovery, cost, security, installments, and legal action	Approve a plan with responsible persons and deadlines.

Summary

Unpaid means that the amount due under an international trade transaction has not been paid at the agreed date or settlement stage.

The meaning and required response differ among D/P, D/A, L/C, L/G Negotiation, and Open Account.

Under D/P, the main issue is often that the importer refuses payment and does not take up the documents or cargo. The exporter must promptly consider local resale, return, third-country resale, discount sale, or disposal.

Under D/A, the typical issue is non-payment at maturity after the importer has received the cargo. Protest, bank recourse, rights under the bill, and insurance notice must be reviewed.

Under an L/C, payment may fail because of discrepancies, expiry, bank risk, transfer restrictions, force majeure, or sanctions.

Under L/G Negotiation, the exporter may remain subject to recourse even after the bank advances funds.

Under Open Account, credit limits, days overdue, and automatic suspension of further shipments are central controls.

The transport document also affects cargo control after Unpaid. Original B/Ls, Surrendered B/Ls, Sea Waybills, AWBs, and electronic B/Ls provide different levels and methods of delivery control.

Ordinary cargo insurance does not insure non-payment. Export Bill Insurance, trade credit insurance, guarantees, international factoring, and forfaiting should be considered separately.

When Unpaid occurs, the exporter should simultaneously review the payment method, due date, reason for non-payment, collection or negotiation, recourse, discrepancies, protest, cargo location, charges, insurance notice, and further shipments.

This article provides general practical information and does not determine or guarantee a bank’s payment obligation, rights under a bill, the requirement for protest, debt recovery, cargo disposal, or insurance coverage in an individual case. Actual action must be based on the sales contract, documentary credit, collection instruction, negotiation agreement, bill, transport documents, governing law, and insurance policy.