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Copyright © International Chamber of Commerce (ICC). All rights reserved. ( Source of the document: ICC Digital Library )
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.
Article 1.1
Freedom of contract
The parties are free to enter into a contract and to determine its content.
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Article 1.2
No form required
Nothing in these Principles requires a contract, statement or any other act to be made in or evidenced by a particular form. It may be proved by any means, including witnesses.
Article 1.3
Binding character of contract
A contract validly entered into is binding upon the parties. It can only be modified or terminated in accordance with its terms or by agreement or as otherwise provided in these Principles.
Article 1.4
Mandatory rules
Nothing in these Principles shall restrict the application of mandatory rules, whether of national, international or supranational origin, which are applicable in accordance with the relevant rules of private international law.
Article 1.5
Exclusion or modification by the parties
The parties may exclude the application of these Principles or derogate from or vary the effect of any of their provisions, except as otherwise provided in the Principles.
Article 1.6
Interpretation and supplementation of the Principles
Article 1.7
Good faith and fair dealing
Article 1.8
Inconsistent Behaviour
A party cannot act inconsistently with an understanding it has caused the other party to have and upon which that other party reasonably has acted in reliance to its detriment.
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Article 1.9
Usages and practices
Article 1.10
Notice
Article 1.11
Definitions
In these Principles
Article 1.12
Computation of time set by parties
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Article 2.1.1
Manner of formation
A contract may be concluded either by the acceptance of an offer or by conduct of the parties that is sufficient to show agreement.
Article 2.1.2
Definition of offer
A proposal for concluding a contract constitutes an offer if it is sufficiently definite and indicates the intention of the offeror to be bound in case of acceptance.
Article 2.1.3
Withdrawal of offer
Article 2.1.4
Revocation of offer
Article 2.1.5
Rejection of offer
An offer is terminated when a rejection reaches the offeror.
Article 2.1.6
Mode of acceptance
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Article 2.1.7
Time of acceptance
An offer must be accepted within the time the offeror has fixed or, if no time is fixed, within a reasonable time having regard to the circumstances, including the rapidity of the means of communication employed by the offeror. An oral offer must be accepted immediately unless the circumstances indicate otherwise.
Article 2.1.8
Acceptance within a fixed period of time
A period of acceptance fixed by the offeror begins to run from the time that the offer is dispatched. A time indicated in the offer is deemed to be the time of dispatch unless the circumstances indicate otherwise.
Article 2.1.9
Late acceptance. Delay in transmission
Article 2.1.10
Withdrawal of acceptance
An acceptance may be withdrawn if the withdrawal reaches the offeror before or at the same time as the acceptance would have become effective.
Article 2.1.11
Modified acceptance
Article 2.1.12
Writings in confirmation
If a writing which is sent within a reasonable time after the conclusion of the contract and which purports to be a confirmation of the contract contains additional or different terms, such terms become part of the contract, unless they materially alter the contract or the recipient, without undue delay, objects to the discrepancy.
[Page45:]
Article 2.1.13
Conclusion of contract dependent on agreement on specific matters or in a particular form
Where in the course of negotiations one of the parties insists that the contract is not concluded until there is agreement on specific matters or in a particular form, no contract is concluded before agreement is reached on those matters or in that form.
Article 2.1.14
Contract with terms deliberately left open
Article 2.1.15
Negotiations in bad faith
Article 2.1.16
Duty of confidentiality
Where information is given as confidential by one party in the course of negotiations, the other party is under a duty not to disclose that information or to use it improperly for its own purposes, whether or not a contract is subsequently concluded. Where appropriate, the remedy for breach of that duty may include compensation based on the benefit received by the other party.
Article 2.1.17
Merger clauses
A contract in writing which contains a clause indicating that the writing completely embodies the terms on which the parties have agreed cannot be contradicted or supplemented by evidence of prior statements or agreements. However, such statements or agreements may be used to interpret the writing.
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Article 2.1.18
Modification in a particular form
A contract in writing which contains a clause requiring any modification or termination by agreement to be in a particular form may not be otherwise modified or terminated.However, a party may be precluded by its conduct from asserting such a clause to the extent that the other party has reasonably acted in reliance on that conduct.
Article 2.1.19
Contracting under standard terms
Article 2.1.20
Surprising terms
Article 2.1.21
Conflict between standard terms and non-standard terms
In case of conflict between a standard term and a term which is not a standard term the latter prevails.
Article 2.1.22
Battle of forms
Where both parties use standard terms and reach agreement except on those terms, a contract is concluded on the basis of the agreed terms and of any standard terms which are common in substance unless one party clearly indicates in advance, or later and without undue delay informs the other party, that it does not intend to be bound by such a contract.
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Article 2.2.1
Scope of the Section
Article 2.2.2
Establishment and scope of the authority of the agent
Article 2.2.3
Agency disclosed
Article 2.2.4
Agency undisclosed
Article 2.2.5
Agent acting without or exceeding its authority
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Article 2.2.6
Liability of agent acting without or exceeding its authority
Article 2.2.7
Conflict of interests
Article 2.2.8
Sub-agency
An agent has implied authority to appoint a sub-agent to perform acts which it is not reasonable to expect the agent to perform itself. The rules of this Section apply to the sub-agency.
Article 2.2.9
Ratification
Article 2.2.10
Termination of authority
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Article 3.1
Matters not covered
These Principles do not deal with invalidity arising from
Article 3.2
Validity of mere agreement
A contract is concluded, modified or terminated by the mere agreement of the parties, without any further requirement.
Article 3.3
Initial impossibility
Article 3.4
Definition of mistake
Mistake is an erroneous assumption relating to facts or to law existing when the contract was concluded.
Article 3.5
Relevant mistake
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Article 3.6
Error in expression or transmission
An error occurring in the expression or transmission of a declaration is considered to be a mistake of the person from whom the declaration emanated.
Article 3.7
Remedies for non-performance
A party is not entitled to avoid the contract on the ground of mistake if the circumstances on which that party relies afford, or could have afforded, a remedy for non-performance.
Article 3.8
Fraud
A party may avoid the contract when it has been led to conclude the contract by the other party’s fraudulent representation, including language or practices, or fraudulent non-disclosure of circumstances which, according to reasonable commercial standards of fair dealing, the latter party should have disclosed.
Article 3.9
Threat
A party may avoid the contract when it has been led to conclude the contract by the other party’s unjustified threat which, having regard to the circumstances, is so imminent and serious as to leave the first party no reasonable alternative. In particular, a threat is unjustified if the act or omission with which a party has been threatened is wrongful in itself, or it is wrongful to use it as a means to obtain the conclusion of the contract.
Article 3.10
Gross disparity
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Article 3.11
Third persons
Article 3.12
Confirmation
If the party entitled to avoid the contract expressly or impliedly confirms the contract after the period of time for giving notice of avoidance has begun to run, avoidance of the contract is excluded.
Article 3.13
Loss of right to avoid
Article 3.14
Notice of avoidance
The right of a party to avoid the contract is exercised by notice to the other party.
Article 3.15
Time limits
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Article 3.16
Partial avoidance
Where a ground of avoidance affects only individual terms of the contract, the effect of avoidance is limited to those terms unless, having regard to the circumstances, it is unreasonable to uphold the remaining contract.
Article 3.17
Retroactive effect of avoidance
Article 3.18
Damages
Irrespective of whether or not the contract has been avoided, the party who knew or ought to have known of the ground for avoidance is liable for damages so as to put the other party in the same position in which it would have been if it had not concluded the contract.
Article 3.19
Mandatory character of the provisions
The provisions of this Chapter are mandatory, except insofar as they relate to the binding force of mere agreement, initial impossibility or mistake.
Article 3.20
Unilateral declarations
The provisions of this Chapter apply with appropriate adaptations to any communication of intention addressed by one party to the other.
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Article 4.1
Intention of the parties
Article 4.2
Interpretation of statements and other conduct
Article 4.3
Relevant circumstances
In applying Articles 4.1 and 4.2, regard shall be had to all the circumstances, including
Article 4.4
Reference to contract or statement as a whole
Terms and expressions shall be interpreted in the light of the whole contract or statement in which they appear.
Article 4.5
All terms to be given effect
Contract terms shall be interpreted so as to give effect to all the terms rather than to deprive some of them of effect.
Article 4.6
Contra proferentem rule
If contract terms supplied by one party are unclear, an interpretation against that party is preferred.
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Article 4.7
Linguistic discrepancies
Where a contract is drawn up in two or more language versions which are equally authoritative there is, in case of discrepancy between the versions, a preference for the interpretation according to a version in which the contract was originally drawn up.
Article 4.8
Supplying an omitted term
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Article 5.1.1
Express and implied obligations
The contractual obligations of the parties may be express or implied.
Article 5.1.2
Implied obligations
Implied obligations stem from
Article 5.1.3
Co-operation between the parties
Each party shall co-operate with the other party when such co-operation may reasonably be expected for the performance of that party’s obligations.
Article 5.1.4
Duty to achieve a specific result. Duty of best efforts
Article 5.1.5
Determination of kind of duty involved
In determining the extent to which an obligation of a party involves a duty of best efforts in the performance of an activity or a duty to achieve a specific result, regard shall be had, among other factors, to
Article 5.1.6
Determination of quality of performance
Where the quality of performance is neither fixed by, nor determinable from, the contract a party is bound to render a performance of a quality that is reasonable and not less than average in the circumstances.
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Article 5.1.7
Price determination
Article 5.1.8
Contract for an indefinite period
A contract for an indefinite period may be ended by either party by giving notice a reasonable time in advance.
Article 5.1.9
Release by agreement
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Article 5.2.1
Contracts in favour of third parties
Article 5.2.2
Third party identifiable
The beneficiary must be identifiable with adequate certainty by the contract but need not be in existence at the time the contract is made.
Article 5.2.3
Exclusion and limitation clauses
The conferment of rights in the beneficiary includes the right to invoke a clause in the contract which excludes or limits the liability of the beneficiary.
Article 5.2.4
Defences
The promisor may assert against the beneficiary all defences which the promisor could assert against the promisee.
Article 5.2.5
Revocation
The parties may modify or revoke the rights conferred by the contract on the beneficiary until the beneficiary has accepted them or reasonably acted in reliance on them.
Article 5.2.6
Renunciation
The beneficiary may renounce a right conferred on it.
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Article 6.1.1
Time of performance
A party must perform its obligations:
Article 6.1.2
Performance at one time or in instalments
In cases under Article 6.1.1(b) or (c), a party must perform its obligations at one time if that performance can be rendered at one time and the circumstances do not indicate otherwise.
Article 6.1.3
Partial performance
Article 6.1.4
Order of performance
Article 6.1.5
Earlier performance
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Article 6.1.6
Place of performance
Article 6.1.7
Payment by cheque or other instrument
Article 6.1.8
Payment by funds transfer
Article 6.1.9
Currency of payment
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Article 6.1.10
Currency not expressed
Where a monetary obligation is not expressed in a particular currency, payment must be made in the currency of the place where payment is to be made.
Article 6.1.11
Costs of performance
Each party shall bear the costs of performance of its obligations.
Article 6.1.12
Imputation of payments
Article 6.1.13
Imputation of non-monetary obligations
Article 6.1.12 applies with appropriate adaptations to the imputation of performance of non-monetary obligations.
Article 6.1.14
Application for public permission
Where the law of a State requires a public permission affecting the validity of the contract or its performance and neither that law nor the circumstances indicate otherwise
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Article 6.1.15
Procedure in applying for permission
Article 6.1.16
Permission neither granted nor refused
Article 6.1.17
Permission refused
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Article 6.2.1
Contract to be observed
Where the performance of a contract becomes more onerous for one of the parties, that party is nevertheless bound to perform its obligations subject to the following provisions on hardship.
Article 6.2.2
Definition of hardship
There is hardship where the occurrence of events fundamentally alters the equilibrium of the contract either because the cost of a party’s performance has increased or because the value of the performance a party receives has diminished, and
Article 6.2.3
Effects of hardship
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Article 7.1.1
Non-performance defined
Non-performance is failure by a party to perform any of its obligations under the contract, including defective performance or late performance.
Article 7.1.2
Interference by the other party
A party may not rely on the non-performance of the other party to the extent that such non-performance was caused by the first party’s act or omission or by another event as to which the first party bears the risk.
Article 7.1.3
Withholding performance
Article 7.1.4
Cure by non-performing party
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Article 7.1.5
Additional period for performance
Article 7.1.6
Exemption clauses
A clause which limits or excludes one party’s liability for non-performance or which permits one party to render performance substantially different from what the other party reasonably expected may not be invoked if it would be grossly unfair to do so, having regard to the purpose of the contract.
Article 7.1.7
Force majeure
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Article 7.2.1
Performance of monetary obligation
Where a party who is obliged to pay money does not do so, the other party may require payment.
Article 7.2.2
Performance of non-monetary obligation
Where a party who owes an obligation other than one to pay money does not perform, the other party may require performance, unless
Article 7.2.3
Repair and replacement of defective performance
The right to performance includes in appropriate cases the right to require repair, replacement, or other cure of defective performance. The provisions of Articles 7.2.1 and 7.2.2 apply accordingly.
Article 7.2.4
Judicial penalty
Article 7.2.5
Change of remedy
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Article 7.3.1
Right to terminate the contract
Article 7.3.2
Notice of termination
Article 7.3.3
Anticipatory non-performance
Where prior to the date for performance by one of the parties it is clear that there will be a fundamental non-performance by that party, the other party may terminate the
contract.
Article 7.3.4
Adequate assurance of due performance
A party who reasonably believes that there will be a fundamental non-performance by the other party may demand adequate assurance of due performance and may meanwhile withhold its own performance. Where this assurance is not provided within a reasonable time the party demanding it may terminate the contract.
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Article 7.3.5
Effects of termination in general
Article 7.3.6
Restitution
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Article 7.4.1
Right to damages
Any non-performance gives the aggrieved party a right to damages either exclusively or in conjunction with any other remedies except where the non-performance is excused under these Principles.
Article 7.4.2
Full compensation
Article 7.4.3
Certainty of harm
Article 7.4.4
Foreseeability of harm
The non-performing party is liable only for harm which it foresaw or could reasonably have foreseen at the time of the conclusion of the contract as being likely to result from its non-performance.
Article 7.4.5
Proof of harm in case of replacement transaction
Where the aggrieved party has terminated the contract and has made a replacement transaction within a reasonable time and in a reasonable manner it may recover the difference between the contract price and the price of the replacement transaction as well as damages for any further harm.
Article 7.4.6
Proof of harm by current price
Article 7.4.7
Harm due in part to aggrieved party
Where the harm is due in part to an act or omission of the aggrieved party or to another event as to which that party bears the risk, the amount of damages shall be reduced to the extent that these factors have contributed to the harm, having regard to the conduct of each of the parties.
Article 7.4.8
Mitigation of harm
Article 7.4.9
Interest for failure to pay money
Article 7.4.10
Interest on damages
Unless otherwise agreed, interest on damages for non-performance of non-monetary obligations accrues as from the time of non-performance.
Article 7.4.11
Manner of monetary redress
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Article 7.4.12
Currency in which to assess damages
Damages are to be assessed either in the currency in which the monetary obligation was expressed or in the currency in which the harm was suffered, whichever is more appropriate.
Article 7.4.13
Agreed payment for non-performance
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Article 8.1
Conditions of set-off
Article 8.2
Foreign currency set-off
Where the obligations are to pay money in different currencies, the right of set-off may be exercised, provided that both currencies are freely convertible and the parties have not agreed that the first party shall pay only in a specified currency.
Article 8.3
Set-off by notice
The right of set-off is exercised by notice to the other party.
Article 8.4
Content of notice
Article 8.5
Effect of set-off
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Article 9.1.1
“Assignment of a right” means the transfer by agreement from one person (the “assignor”) to another person (the “assignee”), including transfer by way of security, of the assignor’s right to payment of a monetary sum or other performance from a third person (“the obligor”).
Article 9.1.2
Exclusions
This Section does not apply to transfers made under the special rules governing the transfers:
Article 9.1.3
Assignability of non-monetary rights
A right to non-monetary performance may be assigned only if the assignment does not render the obligation significantly more burdensome.
Article 9.1.4
Partial assignment
Article 9.1.5
Future rights
A future right is deemed to be transferred at the time of the agreement, provided the right, when it comes into existence, can be identified as the right to which the assignment relates.
Article 9.1.6
Rights assigned without individual specification
A number of rights may be assigned without individual specification, provided such rights can be identified as rights to which the assignment relates at the time of the assignment or when they come into existence.
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Article 9.1.7
Agreement between assignor and assignee sufficient
Article 9.1.8
Obligor’s additional costs
The obligor has a right to be compensated by the assignor or the assignee for any additional costs caused by the assignment.
Article 9.1.9
Non-assignment clauses
Article 9.1.10
Notice to the obligor
Article 9.1.11
Successive assignments
If the same right has been assigned by the same assignor to two or more successive assignees, the obligor is discharged by paying according to the order in which the notices were received.
Article 9.1.12
Adequate proof of assignment
Article 9.1.13
Defences and rights of set-off
Article 9.1.14
Rights related to the right assigned
The assignment of a right transfers to the assignee:
Article 9.1.15
Undertakings of the assignor
The assignor undertakes towards the assignee, except as otherwise disclosed to the assignee, that:
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Article 9.2.1
Modes of transfer
An obligation to pay money or render other performance may be transferred from one person (the “original obligor”) to another person (the “new obligor”) either
Article 9.2.2
Exclusion
This Section does not apply to transfers of obligations made under the special rules governing transfers of obligations in the course of transferring a business.
Article 9.2.3
Requirement of obligee’s consent to transfer
The transfer of an obligation by an agreement between the original obligor and the new obligor requires the consent of the obligee.
Article 9.2.4
Advance consent of obligee
Article 9.2.5
Discharge of original obligor
Article 9.2.6
Third party performance
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Article 9.2.7
Article 9.2.8
Rights related to the obligation transferred
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Article 9.3.1
“Assignment of a contract” means the transfer by agreement from one person (the “assignor”) to another person (the “assignee”) of the assignor’s rights and obligations arising out of a contract with another person (the “other party”).
Article 9.3.2
This Section does not apply to the assignment of contracts made under the special rules governing transfers of contracts in the course of transferring a business.
Article 9.3.3
Requirement of consent of the other party
The assignment of a contract requires the consent of the other party.
Article 9.3.4
Advance consent of the other party
Article 9.3.5
Discharge of the assignor
Article 9.3.6
Article 9.3.7
Rights transferred with the contract
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Article 10.1
Scope of the Chapter
Article 10.2
Limitation periods
Article 10.3
Modification of limitation periods by the parties
Article 10.4
New limitation period by acknowledgement
Article 10.5
Suspension by judicial proceedings
Article 10.6
Suspension by arbitral proceedings
Article 10.7
Alternative dispute resolution
The provisions of Articles 10.5 and 10.6 apply with appropriate modifications to other proceedings whereby the parties request a third person to assist them in their attempt to reach an amicable settlement of their dispute.
Article 10.8
Suspension in case of force majeure, death or incapacity
Article 10.9
The effects of expiration of limitation period
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Article 10.10
Right of set-off
The obligee may exercise the right of set-off until the obligor has asserted the expiration of the limitation period.
Article 10.11
Where there has been performance in order to discharge an obligation, there is no right of restitution merely because the limitation period has expired.
1 The reader is reminded that the complete version of the UNIDROIT Principles contains not only the black-letter rules reproduced hereunder, but also detailed comments on each article and, where appropriate, illustrations. The volume may be ordered from UNIDROIT at www.unidroit.org. For an update of international case law and bibliography relating to the Principles see www.unilex.info.
* Parties wishing to provide that their agreement be governed by the Principles might use the following words, adding any desired exceptions or modifications:“This contract shall be governed by the UNIDROIT Principles (2004) [except as to Articles …]”. Parties wishing to provide in addition for the application of the law of a particular jurisdiction might use the following words:“This contract shall be governed by the UNIDROIT Principles (2004) [except as to Articles…], supplemented when necessary by the law of [jurisdiction X].