UCP 600

UCP 600 Article 34: Bank Not Liable for External Acts — Stamps, Signatures, and Seals

📅 2026-07-13 6 min read UCP 600 / ISBP 745

Introduction

Documents presented under a documentary credit often bear stamps, signatures, and seals placed by parties other than the issuing or confirming bank. Article 34 of UCP 600 addresses the bank's responsibility — or lack thereof — for these external marks. Article 34(c) states that if a document bears a stamp or seal, or bears a signature, marks, or words that on examination prove to be inconsistent with those of the sender, the bank is under no obligation to give any effect to the document. Conversely, if the stamp, signature, or seal appears consistent on the document's face, the bank is not required to verify its authenticity. This guide examines the mechanics of this rule and its practical implications.

Failure Mode Analysis

Failure Mode 1: Inconsistent Stamp on a Certificate of Origin

The credit requires a certificate of origin bearing the stamp of a named chamber of commerce. The document presented bears a stamp that appears to be from a different chamber. Under Article 34(c), the bank may treat this as a discrepancy and return the document.

Failure Mode 2: Bank Attempts to Verify the Authenticity of a Stamp

A nominated bank receives a certificate of origin bearing a stamp. The bank contacts the stamping authority to verify the stamp's authenticity. Article 34(a) relieves the bank of this responsibility. The verification attempt is unnecessary and may introduce delays.

Failure Mode 3: Applicant Claims the Bank Should Have Detected a Forged Seal

The applicant discovers that a seal on a transport document was forged. The applicant claims the issuing bank should have detected the forgery. Article 34(a) and (c) establish that the bank's obligation is limited to examining the seal on the document's face, not verifying its authenticity.

Failure Mode 4: Inconsistent Markings on a Bill of Lading

A bill of lading bears a stamp from the carrier that appears to be inconsistent with the carrier's standard stamp format. The bank must determine whether the inconsistency is apparent on the document's face. If it is, the document may be treated as discrepant. If the inconsistency is not apparent, the bank accepts the document.

Deterministic Resolution Architecture

Resolution 1: Examine Stamps, Seals, and Signatures on Their Face
The examining team must assess stamps, seals, and signatures based solely on what appears on the document's face. No external verification is required or expected.

Resolution 2: Identify Inconsistencies Within the Document Set
Compare stamps, seals, and signatures across the document set for internal consistency. If a certificate of origin bears a stamp from Entity A, but the related invoice bears a different stamp, the inconsistency may be a facial discrepancy.

Resolution 3: Use Credit Conditions to Require Specific Stamps or Seals
If the applicant requires a specific stamp or seal (e.g., a named chamber of commerce), the credit should state this explicitly. This gives the bank a clear standard for examination.

Resolution 4: Return Documents with Apparent Inconsistencies as Discrepant
If a stamp, seal, or signature is clearly inconsistent with the credit's requirements or with other documents, the bank should treat the presentation as discrepant under Article 34(c).

Resolution 5: Avoid External Verification of Authenticity
Banks should not contact third parties to verify the authenticity of stamps, seals, or signatures. This is outside the scope of the bank's obligation under UCP 600 and may introduce unnecessary delays.

Resolution 6: Document Any Stamp or Seal Observations
Record any observations about stamps, seals, or signatures during the examination. This provides a record in case of a dispute and reinforces the discipline of face-value examination.

Resolution 7: Understand the Difference Between Consistency and Authenticity
Consistency (whether the stamp matches what is expected on the document's face) is a valid examination criterion. Authenticity (whether the stamp is genuine) is not a bank's obligation. The resolution architecture should enforce this distinction.

Conclusion

Article 34(c) of UCP 600 provides banks with a clear framework for handling stamps, seals, and signatures on documents. Banks examine them on their face; they do not verify their authenticity. When inconsistencies are apparent on the document's face, the bank may treat the document as discrepant. When no inconsistency is apparent, the bank accepts the document. This approach maintains the speed and predictability of the documentary credit process while protecting banks from liability for the acts of third parties.

Frequently Asked Questions

Q1: If a stamp appears to be from the wrong entity, must the bank refuse the document?
Under Article 34(c), if the stamp is inconsistent with the credit's requirements on its face, the bank may refuse. If the inconsistency is not apparent, the bank accepts.

Q2: Does the bank need to verify the authority of the person who signed the document?
No. Article 14(a) and ISBP 745 A21 establish that the bank examines the document on its face. The bank does not verify the signatory's authority.

Q3: What if two documents bear different stamps for the same entity?
If the inconsistency is apparent on the documents' faces, it may constitute a discrepancy. The bank should examine whether the credit requires consistency across documents.

Q4: Can the bank request a replacement document with the correct stamp?
Under Article 16(d), the bank may, at its discretion, approach the presenter to request replacement documents within the five-day examination period, if time permits.

Q5: Does Article 34 apply to electronic records under eUCP?
Yes. eUCP Version 2.1 preserves Article 34's disclaimers. Electronic records are treated as documents, and the bank's responsibility for stamps, seals, and signatures is limited in the same manner.

Source Notes

Context Only: The following source titles informed the development of this guide. No text was copied from these sources. All regulatory citations reference published ICC rules.

Did You Know?

Article 14(a) and ISBP 745 A21 establish that the bank examines the document on its face.

Regulatory Reference Table
RegulationArticle / SectionRequirementConsequence
UCP 600Article 34Disclaimers on DocumentsBinary determination (compliant/discrepant)
UCP 600Article 14Standard for Examination of DocumentsBinary determination (compliant/discrepant)
UCP 600Article 16Discrepant Documents, Waiver and NoticeBinary determination (compliant/discrepant)
ISBP 745ISBP 745 C8Description of goods, services or performance in documentsDiscrepancy raised under Article 16

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Quick Reference Summary

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Compliance Checklist

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Bank Expectations vs Common Beneficiary Mistakes
✓ What Banks Expect✗ What Beneficiaries Often Do Wrong
Inconsistent Stamp on a Certificate of OriginThe credit requires a certificate of origin bearing the stamp of a named chamber of commerce. The...
Bank Attempts to Verify the Authenticity of a StampA nominated bank receives a certificate of origin bearing a stamp. The bank contacts the stamping...
Applicant Claims the Bank Should Have Detected a Forged SealThe applicant discovers that a seal on a transport document was forged. The applicant claims the ...
Inconsistent Markings on a Bill of LadingA bill of lading bears a stamp from the carrier that appears to be inconsistent with the carrier'...

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