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Understanding Article 18 of UCP 600: Commercial Invoice

In letters of credit (LCs), the commercial invoice is the most essential financial document because it states the goods or services supplied, their value, and the buyer-seller details. Article 18 of UCP 600 sets the rules for how commercial invoices must be prepared and presented so that they comply with the LC.

This article ensures that invoices match the credit terms and prevents disputes over incorrect amounts, mismatched buyer names, or inconsistent goods descriptions.

What Does Article 18 of UCP 600 Say?

Article 18 establishes several important rules for commercial invoices:

1. Issuer of Invoice

  • The invoice must appear to be issued by the beneficiary (the exporter or seller).
  • Banks will not accept invoices issued by anyone else unless specifically permitted by the LC.

2. Applicant’s Name

  • The invoice must be made out in the name of the applicant (the importer or buyer).
  • Any mismatch in name may be treated as a discrepancy.

3. Currency

  • The invoice must be issued in the same currency as the LC.
  • A change in currency would not comply.

4. Description of Goods/Services

  • The invoice must describe the goods, services, or performance as stated in the LC.
  • Exact wording is not required — a general description is acceptable, provided it is not inconsistent with the LC.

5. Amount and Quantity

  • The invoice must not exceed the amount or quantity permitted in the LC.
  • Lesser amounts or quantities are acceptable unless the LC explicitly prohibits them.

Breaking Down Article 18

Why Regulate Commercial Invoices?

  • Prevents over-invoicing, protecting the buyer.
  • Ensures invoices remain consistent with LC terms, reducing disputes between banks, exporters, and importers.

Beneficiary’s Responsibility

  • The exporter must carefully issue the invoice in the LC’s currency, in the buyer’s name, and within the value limits.
  • Mistakes such as over-invoicing, wrong buyer name, or missing description are among the most common LC discrepancies.

Flexibility in Description

  • Unlike transport documents (which require strict details), invoices allow flexibility in describing goods.
  • Example: If LC states “100 metric tons of parboiled rice,” the invoice could say “Rice – 100 MT” and still comply.

Bank’s Role

  • Banks only check the invoice for consistency with the LC on its face.
  • They do not verify whether the goods/services were actually delivered.

Practical Trade Example

A Bangladeshi exporter ships garments to a buyer in Germany under an LC requiring:

  • Invoice in EUR,
  • Buyer: “Berlin Fashion GmbH,”
  • Maximum LC value: EUR 100,000.

The exporter presents an invoice:

  • Issued in EUR ✔
  • Buyer: “Berlin Fashion Ltd.” ❌ (name mismatch → discrepancy)
  • Amount: EUR 95,000 ✔ (under LC value, acceptable)
  • Description: “Men’s cotton shirts – 10,000 pcs” ✔ (general but consistent with LC)

In this case, the issuing bank will raise a discrepancy because the buyer’s name does not exactly match the LC, even though other details comply.

Why Article 18 Matters

  • Protects applicants from over-invoicing.
  • Gives exporters flexibility in describing goods.
  • Reminds exporters that small errors (currency, applicant’s name, invoice issuer) can cause discrepancies.
  • Reinforces the need for careful document preparation in LC transactions.

Final Thoughts

Article 18 of UCP 600 underscores the importance of accuracy in commercial invoices. While banks allow some flexibility in describing goods, they are strict about key details like issuer, buyer’s name, currency, and invoice value. Exporters must prepare invoices with precision to avoid discrepancies and ensure timely payment.

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