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Preamble
(Purpose of the Principles)

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.


Issues       
# Cases
 1 Material scope of application of Principles
  1.1 International commercial contracts
1
   1.1.1 Contracts v. unilateral acts
   1.1.2 International v. domestic contracts
3
   1.1.3 Commercial v. consumer transactions
 2 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
4
    2.1.1.2 In disputes before arbitral tribunal
21
   2.1.2 Principles as expression of the "lex mercatoria" referred to in the contract
8
   2.1.3 Principles as expression of "general principles of law" referred to in the contract
23
   2.1.4 Principles as an expression of lex sportiva
1
   2.1.5 Principles applied in the absence of any choice-of-law clause
7
    2.1.5.1 Principles as "the rules of law [arbitrators]determine to be appropriate"
25
    2.1.5.2 Principles as "relevant trade usages" to be taken into account in all cases by arbitrators
18
    2.1.5.3 Principles as international trade custom
13
    2.1.5.4 Principles as an expression of international law
15
   2.1.6 Principles and arbitration ex aequo et bono
4
  2.2 As terms incorporated into the contract
4
  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
88
   2.3.2 Principles as means for interpreting and supplementing applicable domestic law
Country # Cases  
Arbitral Award 37  
Argentina 6  
Australia 13  
Canada 1  
China 4  
France 1  
Germany 1  
Italy 8  
Netherlands 4  
Russian Federation 25  
Spain 19  
Switzerland 1  
USA 1  
New Zealand 4  
Colombia 3  
International Centre for Settlement of Investment Disputes (ICSID) 1  
Ukraine 15  
Poland 1  
United Kingdom 6  
Lithuania 4  
Date Court
06.11.2006 Supreme Court of Lithuania
27.02.2013 Supreme Court of Lithuania
16.05.2013 Supreme Court of Lithuania
23.12.2013 Supreme Court of Lithuania
Sweden 1  
Portugal 2  
Brazil 2  
Paraguay 9  
Costa Rica 1  
Norway 2  
El Salvador 1  
Uruguay 1  
174
  2.4 As means for interpreting and supplementing international uniform law instruments
   2.4.1 Principles and CISG
45
   2.4.2 Principles and other international instruments
9
  2.5 As guide for drafting contracts
1
   2.5.1 Principles as model contract clauses
1
   2.5.2 Principles as a check-list
   2.5.3 Principles as lingua franca
  2.6 As means for interpreting international contracts
1
  2.7 As a model for national and international legislation
 3 Principles and similar instruments (e.g.Principles of European Contract Law)
41
 4 Relevant edition of Principles
4
Total: 428


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