
In import-export, the international sales contract is the key legal basis for establishing the rights and obligations between buyer and seller. A complete, clearly drafted contract helps limit disputes, reduce risks around payment and delivery and lay the foundation for carrying out an international transaction.
In practice, however, many businesses focus only on price and pay little attention to other important clauses. This can lead to disputes over product quality, delivery time, insurance responsibility or the way problems are resolved. The article below will help businesses understand the key clauses in an international sales contract and the points to note when negotiating to protect their interests.
What Is an International Sales Contract?
An international sales contract is a document recording the agreement between a seller and a buyer in different countries on the international sale and purchase of goods. The contract is usually the basis for:
- Making international payments.
- Carrying out customs procedures.
- Applying for a C/O.
- Arranging international transport.
- Buying cargo insurance.
- Resolving disputes when they arise.
A complete contract helps the parties agree on responsibilities from the outset and limits misunderstandings during performance.

Why Build a Tight International Sales Contract?
A contract that lacks information or contains unclear provisions can lead to: late delivery, non-payment on time, quality disputes, extra logistics costs, clearance delays, difficulty handling loss or damage to the goods and more. Businesses should therefore take the time to carefully review each clause before signing.
1. Information About the Parties
This is the first clause and the foundation of the contract. It should fully state: the legal name of the company, the address, the business registration number, the tax code (if any), the representative, their position, contact details and more. The information must be consistent with the business registration certificate and other transaction documents.
2. Description of the Goods
This clause needs to clearly show: product name, model, specifications, category, dimensions, color, material, technical standards, origin and more. It should not be described too generically, as that can lead to disputes on delivery.
3. Quantity and Unit of Measure
You need to clearly stipulate: quantity, unit of measure, tolerance (if any), the method for determining quantity and more. For bulk goods or goods subject to natural loss, an acceptable margin of error should be specified.
4. Price and Currency of Payment
The contract should clearly state: the unit price, the total contract value, the currency of payment (USD, EUR, JPY and so on), and whether the price includes or excludes related costs. If the price depends on market movements, a clear adjustment mechanism should be specified.
5. Delivery Terms (Incoterms® 2020)
This is one of the most important clauses. It needs to fully state:
- The delivery term.
- The place of delivery.
- The applicable Incoterms version.
For example:
- FOB Hai Phong Port - Incoterms® 2020.
- CIF Singapore - Incoterms® 2020.
- DAP Bangkok - Incoterms® 2020.
This clause defines each party's responsibility for cost, transport, insurance and the moment risk transfers.

6. Time and Place of Delivery
The contract needs to stipulate: the delivery time, the allowed delay (if any), the port of departure, the port of destination, the final place of delivery and more. Clear provisions help the business plan production and transport proactively.
7. Method of Payment
Some common methods:
- T/T (Telegraphic Transfer).
- L/C (Letter of Credit).
- D/P (Documents against Payment).
- D/A (Documents against Acceptance).
You also need to stipulate:
- The timing of payment.
- The deposit rate.
- The currency of payment.
- The executing bank.
- Which party bears the bank charges.
8. Packing and Marking Specifications
This clause needs to clearly state: the type of packaging, packing specifications, moisture- and shock-proofing requirements, shipping marks, product labeling, storage instructions and more. For export goods, the packaging must suit international transport conditions and the regulations of the importing country.
9. Inspection and Acceptance of Goods
The two parties should agree on:
- The inspection method.
- The place of inspection.
- The quality assessment standards.
- The notification period when a defect is found.
If there is an independent inspection body, the name of the organization and the scope of inspection should be clearly stated.
10. Warranty and Complaints
For machinery, equipment or technical goods, you need to stipulate: the warranty period, the scope of warranty, the warranty conditions, the complaint-handling time, the remedy and more. Clear clauses help reduce disputes after delivery.

11. Penalty and Compensation Clause
The contract should stipulate: the breaching acts, the penalty level, the method of compensation, the responsibilities of each party and more. This clause strengthens the binding nature of the contract and encourages the parties to honor their commitments.
12. Force Majeure Clause
Events such as: natural disasters, epidemics, war, strikes, import-export bans and more can affect the performance of the contract.
You therefore need to clearly stipulate:
- The cases considered force majeure.
- The notification deadline.
- The obligation to prove it.
- The way it will be handled.
13. Governing Law and Dispute Resolution
This clause is often overlooked but is very important. The contract should specify:
- The law governing the contract.
- The dispute resolution body.
- Commercial arbitration or a court.
- The place of resolution.
- The language used.
Agreeing this from the outset saves time and costs if a dispute arises.
14. Validity of the Contract
The information in this clause needs to clearly state: the effective date, the contract term, the conditions for amendment and supplement, the conditions for termination and more. It is also advisable to stipulate that any amendment is only valid when made in writing and confirmed by both parties.

Common Mistakes When Drafting an International Sales Contract
Businesses often make errors such as:
- Missing legal information about the parties.
- Describing the goods unclearly.
- Not fully stating Incoterms® 2020.
- Not specifying insurance responsibility.
- Payment clauses lacking detail.
- Not specifying the governing law.
- Missing a force majeure clause.
- Having no dispute resolution mechanism.
These mistakes can make it difficult to protect the company's interests when a dispute occurs.
Tips for Drafting an International Sales Contract
To build a tight contract, businesses should:
- Carefully check the partner's information before signing.
- Use clear language and avoid ambiguous wording.
- Fully state the delivery terms under Incoterms® 2020.
- Set out detailed provisions on payment, delivery and insurance.
- Consult a legal expert or advisory firm when the contract is of high value.
- Review the entire content before signing.

Conclusion
The international sales contract is a key legal foundation in every import-export transaction. A complete, clear and tightly drafted contract not only helps a business limit risk but also facilitates delivery, payment and dispute resolution. To ensure effectiveness, businesses should pay attention to the clauses on goods, price, Incoterms®, payment, insurance, delivery, force majeure and governing law. At the same time, carefully checking the partner and consulting experts when necessary will raise the level of safety in international commercial transactions.
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