Article Preamble580 Cases These Principles set forth general rules for international commercial contracts.
They shall be applied when the parties have agreed that their contract be governed by them.
They may be applied when the parties have agreed that their contract be governed by general principles of law, the lex mercatoria or the like.
They may be applied when the parties have not chosen any law to govern their contract.
They may be used to interpret or supplement international uniform law instruments.
They may be used to interpret or supplement domestic law.
They may serve as a model for national and international legislators.

Number

Issue

# Cases

Material scope of application of Principles

1.1

International commercial contracts

1.1.1

Contracts v. unilateral acts

1.1.2

International v. domestic contracts

1.1.3

Commercial v. consumer transactions

Applicability of Principles

2.1

As rules of law governing the contract

2.1.1

Principles applicable if expressly chosen by the parties

2.1.1.1

In disputes before State court

2.1.1.2

In disputes before arbitral tribunal

2.1.2

Principles as expression of the "lex mercatoria" referred to in the contract

2.1.3

Principles as expression of "general principles of law" referred to in the contract

2.1.4

Principles as an expression of lex sportiva

2.1.5

Principles applied in the absence of any choice-of-law clause

2.1.5.1

Principles as "the rules of law [arbitrators]determine to be appropriate"

2.1.5.2

Principles as "relevant trade usages" to be taken into account in all cases by arbitrators

2.1.5.3

Principles as international trade custom

2.1.5.4

Principles as an expression of international law

2.1.6

Principles and arbitration ex aequo et bono

2.2

As terms incorporated into the contract

2.3

As means for interpreting and supplementing domestic law

2.3.1

Principles to confirm that solution provided by applicable domestic law is in conformity with international standards

113

Country	Date	Court
Arbitral Award	00-00-0000	ICC International Court of Arbitration, New York 16314
Arbitral Award	25-11-1994	Zürich Chamber of Commerce
Arbitral Award	00-07-1995	ICC International Court of Arbitration - Brussels 8240
Arbitral Award	00-00-1996	ICC International Court of Arbitration, Brussels 8548
Arbitral Award	00-09-1996	ICC International Court of Arbitration, Zürich 8486
Arbitral Award	04-12-1996	Ad hoc Arbitration, Rome
Arbitral Award	17-12-1996	Arbitral Court of the Economic Chamber and the Agrarian Chamber of the Czech Republic
Arbitral Award	02-09-1997	International Arbitration Court of the Chamber of Commerce and Industry of the Russian Federation
Arbitral Award	00-00-1998	ICC International Court of Arbitration, Brussels 9459
Arbitral Award	00-09-1998	ICC International Court of Arbitration, Milano 8908
Arbitral Award	00-10-1998	ICC International Court of Arbitration, Geneva 9333
Arbitral Award	00-12-1998	ICC International Court of Arbitration, Paris 9593
Arbitral Award	30-12-1998	Ad hoc Arbitration (Uruguay)
Arbitral Award	00-03-1999	ICC International Court of Arbitration 9594
Arbitral Award	00-05-1999	ICC International Court of Arbitration 9753
Arbitral Award	00-09-1999	ICC International Court of Arbitration 7819
Arbitral Award	00-08-2000	ICC International Court of Arbitration 9651
Arbitral Award	00-10-2000	ICC International Court of Arbitration 10335
Arbitral Award	00-12-2000	ICC International Court of Arbitration, Barranquilla (Colombia) 10346
Arbitral Award	00-02-2001	ICC International Court of Arbitration, Geneva 10351
Arbitral Award	00-06-2001	ICC International Court of Arbitration 11227
Arbitral Award	00-06-2001	ICC International Court of Arbitration 9950
Arbitral Award	00-07-2001	ICC International Court of Arbitration 11051
Arbitral Award	00-00-2002	ICC International Court of Arbitration 10930
Arbitral Award	00-01-2002	ICC International Court of Arbitration, Montevideo 11317
Arbitral Award	00-03-2002	ICC International Court of Arbitration 11375
Arbitral Award	28-11-2002	Camera Arbitrale Nazionale e Internazionale di Milano
Arbitral Award	01-06-2003	Arbitration Centre of the Costa Rican Chamber of Commerce
Arbitral Award	00-00-2004	ICC International Court of Arbitration 12591
Arbitral Award	00-06-2004	ICC International Court of Arbitration 12193
Arbitral Award	00-00-2005	ICC International Court of Arbitration 12745
Arbitral Award	21-12-2005	Ad hoc Arbitration (Brazil)
Arbitral Award	11-05-2006	Internationales Schiedsgericht der Wirtschaftskammer Österreich
Arbitral Award	09-10-2006	ICC International Court of Arbitration
Arbitral Award	19-03-2007	Internationales Schiedsgericht der Wirtschaftskammer Österreich
Arbitral Award	00-03-2008	Corte arbitrale nazionale ed internazionale di Milano
Arbitral Award	22-12-2008	International Arbitration Court of the Chamber of Commerce and Industry of the Russian Federation
Arbitral Award	09-02-2009	Câmara FGV de Conciliação e Arbitragem (São Paulo, Brazil)
Arbitral Award	06-07-2009	International Arbitration Court of the Chamber of Commerce and Industry of the Russian Federation
Arbitral Award	00-06-2010	ICC International Court of Arbitration, 15956
Arbitral Award	00-00-2011	ICC International Court of Arbitration ICC-FA-2020-003
Arbitral Award	22-03-2013	Ad hoc arbitration
Arbitral Award	24-05-2022	Permanent Court of Arbitration
Arbitral Award	26-09-2022	London Court of International Arbitration
Cases: 44
Argentina	10-06-2004	Cámara Nacional de Apelaciones en lo Comercial de la Capital Federal (CNCom Sala B)
Argentina	01-04-2014	Cámara Nacional de Apelaciones en lo Comercial
Cases: 2
Australia	24-10-2008	Federal Court of Australia
Cases: 1
Canada	22-08-2005	Superior Court, Province of Quebec, District of Montreal
Canada	16-05-2014	Cour d'Appel, Province de Québec, District of Montreal
Cases: 2
China	00-00-2002	Henan Luoyang Jianxi District People’s Court
China	00-00-2002	Shenzhen Intermediate People's Court & Guangdong High People's Court
China	00-00-2005	Shenzhen Intermediate People's Court; Guangdong High People's Court
China	20-06-2005	Beijing Haidian District People’s Court
China	00-00-2007	Nanjing Gulou District People’s Court
China	28-06-2007	Beijing Haidian District People’s Court
China	00-00-2008	Beijing Haidian District People’s Court; First Intermediate People's Court of Beijin
China	00-00-2009	Chongqing Fuling District People’s Court
China	04-11-2010	Shanghai High People’s Court
Cases: 9
Colombia	09-12-2010	Constitutional Court
Cases: 1
Costa Rica	17-06-2004	Sala Primera de la Corte Suprema de Justicia, San José
Cases: 1
Georgia	20-07-2018	Supreme Court
Georgia	29-03-2019	Supreme Court
Georgia	30-09-2019	Supreme Court
Georgia	04-12-2019	Supreme Court
Georgia	14-02-2020	Supreme Court
Cases: 5
India	21-08-2006	High Court of Delhi
India	20-08-2008	High Court of Delhi
Cases: 2
International Centre for Settlement of Investment Disputes (ICSID)	07-10-2003	International Centre for Settlement of Investment Disputes (ICSID)
Cases: 1
Ireland	08-03-2017	Irish Court of Appeal
Cases: 1
Lithuania	11-02-2002	Supreme Court of Lithuania
Lithuania	19-05-2003	Supreme Court of Lituania
Lithuania	19-01-2005	Supreme Court of Lithuania
Lithuania	31-05-2011	Supreme Court of Lithuania
Lithuania	07-03-2012	Supreme Court of Lithuania
Lithuania	26-06-2012	Supreme Court of Lithuania
Lithuania	13-11-2013	Supreme Court of Lithuania
Lithuania	28-11-2014	Supreme Court of Lithuania
Lithuania	09-01-2015	Supreme Court of Lithuania
Lithuania	04-02-2015	Supreme Court of Lithuania
Cases: 10
Netherlands	11-07-2008	Hoge Raad
Cases: 1
Paraguay	04-08-2016	Corte Suprema de Justicia
Paraguay	21-11-2016	Tribunal de Apelación en lo Civil y Comercial de Asunción
Paraguay	22-05-2019	Tribunal de Apelación en lo Civil y Comercial – Cuarta Sala
Paraguay	30-05-2022	Tribunal de Apelación en lo Civil y Comercial – Cuarta Sala
Paraguay	17-10-2022	Tribunal de Apelación en lo Civil, Comercial y Laboral – Sexta Sala
Cases: 5
Romania	16-02-2010	High Court of Cassation and Justice
Romania	22-04-2013	Timiș County Court
Romania	27-05-2016	Hunedoara County Court
Cases: 3
Russian Federation	27-06-2003	Federal Arbitrazh Court of the Volgo-Vyatsky District
Russian Federation	12-12-2011	Federal Arbitrazh Court of the North-West district
Russian Federation	01-08-2013	Supreme Commercial Court of Russian Federation
Russian Federation	02-07-2015	Supreme Court of the Russian Federation
Russian Federation	03-09-2015	Commercial Court of the North Caucasus District of the Russian Federation
Russian Federation	23-06-2016	Ninth circuit Arbitrazh Court of Appeal
Russian Federation	28-12-2017	Commercial Court of the Moscow Region
Cases: 7
Singapore	05-07-2011	Singapore High Court
Singapore	25-07-2013	Court of Appeal
Cases: 2
Spain	16-05-2007	Tribunal Supremo (Sala de lo Civil)
Spain	15-06-2010	Tribunal Supremo
Spain	08-07-2011	Audiencia Provincial de Murcia (Sección 1)
Spain	29-02-2012	Tribunal Supremo
Spain	03-05-2013	Tribunal Supremo
Spain	21-07-2014	Audiencia Provincial de Granada
Spain	02-02-2015	Tribunal Supremo
Spain	04-03-2015	Tribunal Supremo
Cases: 8
Sweden	11-12-2006	Högsta Domstolen (Supreme Court)
Sweden	11-12-2006	Högsta Domstolen (Supreme Court)
Sweden	16-09-2010	Högsta Domstolen (Supreme Court)
Cases: 3
Ukraine	01-11-2013	Kyiv District Administrative Court
Cases: 1
United Kingdom	04-11-2005	High Court of Justice (Queen's Bench Division)
United Kingdom	05-11-2015	Supreme Court
Cases: 2
Uruguay	27-08-2014	Tribunal Apelaciones Civil 2nd
Cases: 1
USA	10-02-2022	New York Court of Appeals
Cases: 1