Price Determination of a Sale Contract in the 1980 Uncitral Convention

In recent international trade, in particular, and in some domestic transactions, it can generally cause several legal issues with which the existing regulations do not deal with. For this, this article aims to offer solutions in a different interpretation of these rules, including proving that the price non-determination in a lump sum can not always be regarded as a reason for a transaction to be arrogant and void because the custom of such transactions is not mentioned as arrogant and practically. It is common in the community, and after studying the application of other countries' rights and the Convention provisions. Therfore this examination concluded by making two if a transaction is not from the arrogance viewpoint, it is not void, and the transaction is common recently. Sometimes its price determination has been postponed to the future, indicating such an issue. The need for this research stems from the fact that following the globalization phenomenon, the movement for unifying contract law has impacted the countries’ national laws. Thus, it is essential to remove the necessities and obstacles to the unification of contract law with comparative studies. In this regard, the proposed study examines price determination and its effect on sales in Iranian law and the 1980 Vienna Convention on International Sale