For information only - not an official document

24 September 2020

Portugal accedes to United Nations Convention on Contracts for the International Sale of Goods

94th country to become party to the Convention

VIENNA, 24 September (UN Information Service) - With its accession to the United Nations Convention on Contracts for the International Sale of Goods (CISG), Portugal becomes the 94 th State Party to the Convention. The Convention will enter into force for the Portugal on 1 October 2021.

The CISG establishes a comprehensive code of legal rules governing the formation of contracts for the international sale of goods, the obligations of the buyer and seller, remedies for breach of contract and other aspects of the contract. It provides an equitable and modern uniform framework for the contract of sale, which is the backbone of international trade in all countries, irrespective of their legal tradition or level of economic development. Its adoption and use may contribute significantly to introducing certainty in commercial exchanges and decreasing transaction costs.

The CISG is a fundamental international trade law treaty and a major success of the work of UNCITRAL, which has inspired several national and regional legislative texts.

The UNCITRAL Secretariat is working with governments and academic institutions from around the world to organize a series of awareness-raising events and technical assistance activities to celebrate the 40th anniversary of the CISG in 2020 ("CISG@40"). Information is available on the UNCITRAL website.

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The United Nations Commission on International Trade Law (UNCITRAL) is the core legal body of the United Nations system in the field of international trade law. Its mandate is to remove legal obstacles to international trade by progressively modernizing and harmonizing trade law. It prepares legal texts in a number of key areas such as international commercial dispute settlement, electronic commerce, insolvency, international payments, sale of goods, transport law, procurement and infrastructure development. UNCITRAL also provides technical assistance to law reform activities, including assisting Member States to review and assess their law reform needs and to draft the legislation required to implement UNCITRAL texts. The UNCITRAL Secretariat is located in Vienna, Austria, and maintains a website at .

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For more information please contact: 

José Angelo  Estrella Faria  
Principal Legal Officer and Head, Legislative Branch  
UNCITRAL Secretariat  
Email: joseangelo.estrella-faria[at]