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- Art. 3 FC
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- Art. 29a FC
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- Art. 55 FC
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- Art. 75b FC
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- Art. 96 para. 2 lit. a FC
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- Art. 123a FC
- Art. 123b FC
- Art. 136 FC
- Art. 166 FC
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- Art. 11 CO
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- Art. 50 CO
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- Art. 84 CO
- Art. 97 CO
- Art. 98 CO
- Art. 99 CO
- Art. 100 CO
- Art. 143 CO
- Art. 144 CO
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- Art. 149 CO
- Art. 150 CO
- Art. 701 CO
- Art. 715 CO
- Art. 715a CO
- Art. 734f CO
- Art. 785 CO
- Art. 786 CO
- Art. 787 CO
- Art. 788 CO
- Art. 808c CO
- Transitional provisions to the revision of the Stock Corporation Act of June 19, 2020
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- Art. 2 PRA
- Art. 3 PRA
- Art. 4 PRA
- Art. 6 PRA
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- Art. 10a PRA
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- Art. 58 PRA
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- Art. 62 PRA
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- Art. 73 PRA
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- Art. 90 PRA
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- Vorb. zu Art. 1 FADP
- Art. 1 FADP
- Art. 2 FADP
- Art. 3 FADP
- Art. 5 lit. d FADP
- Art. 5 lit. f und g FADP
- Art. 6 para. 3-5 FADP
- Art. 6 Abs. 6 and 7 FADP
- Art. 7 FADP
- Art. 10 FADP
- Art. 11 FADP
- Art. 12 FADP
- Art. 14 FADP
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- Art. 19 FADP
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- Art. 27 FADP
- Art. 31 para. 2 lit. e FADP
- Art. 33 FADP
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- Art. 35 FADP
- Art. 38 FADP
- Art. 39 FADP
- Art. 40 FADP
- Art. 41 FADP
- Art. 42 FADP
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- Art. 44 FADP
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- Art. 45 FADP
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- Art. 48 FADP
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- Art. 69 FADP
- Art. 72 FADP
- Art. 72a FADP
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- Art. 2 CCC (Convention on Cybercrime)
- Art. 3 CCC (Convention on Cybercrime)
- Art. 4 CCC (Convention on Cybercrime)
- Art. 5 CCC (Convention on Cybercrime)
- Art. 6 CCC (Convention on Cybercrime)
- Art. 7 CCC (Convention on Cybercrime)
- Art. 8 CCC (Convention on Cybercrime)
- Art. 9 CCC (Convention on Cybercrime)
- Art. 11 CCC (Convention on Cybercrime)
- Art. 12 CCC (Convention on Cybercrime)
- Art. 18 CCC (Convention on Cybercrime)
- Art. 25 CCC (Convention on Cybercrime)
- Art. 27 CCC (Convention on Cybercrime)
- Art. 28 CCC (Convention on Cybercrime)
- Art. 29 CCC (Convention on Cybercrime)
- Art. 32 CCC (Convention on Cybercrime)
- Art. 33 CCC (Convention on Cybercrime)
- Art. 34 CCC (Convention on Cybercrime)
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- Art. 2 para. 1 AMLA
- Art. 2a para. 1-2 and 4-5 AMLA
- Art. 3 AMLA
- Art. 7 AMLA
- Art. 7a AMLA
- Art. 8 AMLA
- Art. 8a AMLA
- Art. 14 AMLA
- Art. 15 AMLA
- Art. 20 AMLA
- Art. 23 AMLA
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- Art. 24a AMLA
- Art. 25 AMLA
- Art. 26 AMLA
- Art. 26a AMLA
- Art. 27 AMLA
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- Art. 29b AMLA
- Art. 30 AMLA
- Art. 31 AMLA
- Art. 31a AMLA
- Art. 32 AMLA
- Art. 38 AMLA
FEDERAL CONSTITUTION
MEDICAL DEVICES ORDINANCE
CODE OF OBLIGATIONS
FEDERAL LAW ON PRIVATE INTERNATIONAL LAW
LUGANO CONVENTION
CODE OF CRIMINAL PROCEDURE
CIVIL PROCEDURE CODE
FEDERAL ACT ON POLITICAL RIGHTS
CIVIL CODE
FEDERAL ACT ON CARTELS AND OTHER RESTRAINTS OF COMPETITION
FEDERAL ACT ON INTERNATIONAL MUTUAL ASSISTANCE IN CRIMINAL MATTERS
DEBT ENFORCEMENT AND BANKRUPTCY ACT
FEDERAL ACT ON DATA PROTECTION
SWISS CRIMINAL CODE
CYBERCRIME CONVENTION
COMMERCIAL REGISTER ORDINANCE
FEDERAL ACT ON COMBATING MONEY LAUNDERING AND TERRORIST FINANCING
I. Context & Purpose
1 Art. 97 of the Code of Obligations ("CO") opens the Chapter on the Consequences of Non-Performance, which includes Art. 97 to Art. 109 CO. This Chapter starts with Art. 97 CO, which sets out the principle that a debtor has the duty to compensate for the damage caused by his failure to perform a specific obligation.
2 For a lay or foreign readership, the language of Art. 97 CO may be peculiar in various regards:
1. It refers to "an obligation" in general terms, and not to a contractual obligation specifically. This is due to the fact that Swiss private law is based on a general theory of "law of obligations", in which contracts are only one of three sources from which obligations can arise (tort [Art. 41 fol. CO] and unjust enrichment [Art. 62 CO] being the two other sources).
2. Art. 97 CO officially deals with "the consequences of a failure to perform" such obligation, but then seems to focus on only one of these potential consequences, i.e. the duty to repair any damage caused by the failure to perform. This does however not mean that the duty to compensate for a damage is the only remedy available in case of a failure to perform. In particular, the right of a creditor to request specific performance from a non-performing debtor is implicit in Art. 97 CO and widely recognized by Swiss case law.
3. Art. 97 CO also does not specify what type of "non-performance" is meant. It is generally admitted that Art. 97 CO applies to all sorts of improper performance (so-called 'disturbed performance', Leistungsstörungen), including late performance (so-called 'default', Verzug / Demeure, see Art. 102 fol. CO), incomplete performance, defective performance or any other type of actual breach or non-compliance with specific contractual obligations ("positive Vertragsverletzung").
4. A lay or foreign reader may further wonder why Art. 97(2) CO refers to the procedure for debt enforcement law in the midst of provisions on contract breach. The reason is that Swiss law provides for a very special mechanism of enforcement of monetary debts, which allows a creditor holding a specific title establishing a monetary claim to enforce such claim against the debtor directly through the debt enforcement procedure without having to resort necessarily to court litigation to claim damages pursuant to Art. 97 CO. Whether or not it will be necessary to first enforce the damage claim through court litigation will eventually depend on the type of title held by the creditor and on whether the debtor resists debt enforcement.
3 What is further noteworthy is that Art. 97 fol. CO are, subject to very few exceptions dealt with below, not mandatory law. Parties may thus in principle deviate from the liability regime set out in these provisions.
4 In summary, Art. 97 fol. CO constitute the default provisions applicable in case of breach of contract where neither the contract itself, nor the Code of Obligations (or any applicable international Convention), provides for any other specific provision applicable to the contract at stake.
5 Art. 97 fol. CO do not directly apply to a breach of potential pre-contractual obligations, such as the duty to conduct negotiations in good faith. Pre-contractual liability, also known as "culpa in contrahendo" is – according to the currently predominant doctrine and case law - mainly subject to tort law, although certain provisions of the present Chapter may be applied by analogy.
II. General Contractual Liability Standard
6 Under Swiss law, contractual liability, understood as the duty to compensate for a damage resulting from an improper contract performance, is subject to four basic requirements:
1. A non-performance of a specific contractual obligation, i.e. a breach of contract;
2. A damage;
3. A causal nexus between the non-performance and the damage;
4. A faulty behavior by the non-performing party.
A. A Non-Performance
7 As mentioned above, the concept of 'non-performance' of Art. 97 CO encompasses all kinds of non-compliance with contractual standards. In other words, any deviation from any contractual duty or, failing any specific contractual duty, from any statutory duty applicable to the contract at stake qualifies as "non-performance" in the meaning of Art. 97 CO.
8 Art. 97 CO also makes no distinction as concerns the type of duty which is breached. In particular, Art. 97 CO makes no difference between so-called 'main obligations' (Hauptpflichten / obligations principales), which are the characteristic obligations of a specific contract (e.g. delivery of an object versus payment of its price in a sales contract, or transfer of money versus interest payment in a loan contract), and 'ancillary obligations' (Nebenpflichten / obligations secondaires) which surround the main obligations, such as a duty of exclusivity, non-competition, confidentiality, etc. It also makes no distinction between duties which consist of an active behaviour (to do something) or those which consist in a passive behaviour (to tolerate or not do something).
9 Art. 97 CO also does not distinguish between various degrees of breaches. Although it is common in practice for parties to attach different consequences to a breach depending on its severity, for example in case of 'material breach', Art. 97 CO does not know any such distinction. All types of failure to perform are at the outset treated in the same manner.
10 Further, at the stage of determining the existence of a non-performance, the actual causes of such non-performance are irrelevant. There are only two exceptions to this principle:
1. Original & Total Impossibility: Where performance of an obligation was objectively and totally impossible from the very beginning, i.e. already at the time of conclusion of the contract, the obligation itself is invalid ab initio based on Art. 20 CO and no performance is due. Where performance becomes impossible only after the conclusion of the contract, Art. 20 CO does not apply. Instead, where the event causing the impossibility to perform occurs after the conclusion of the contract and is beyond the scope of influence of the debtor, Art. 119(1) CO provides that the concerned obligation extinguishes, meaning that the debtor is released from the obligation to perform and must return what he/she has already received (Art. 119(2) CO). Thus, Art. 119 CO deals with what is commonly referred to as 'Force Majeure', even though Art. 119 CO does not provide a specific definition thereof and instead focuses on the result: the objective impossibility to perform due to external factors. It should be noted that Art. 119 CO is not mandatory law, and the parties may thus deviate for this rule in their contract by allocating specific risks to a party irrespective of the latter's influence on the realisation of this risk (Art. 119(3) CO)). Please refer to the commentary on Art. 119 CO for more details on the mechanism of subsequence impossibility under Swiss law. Where neither Art. 20 CO nor Art. 119 CO apply, an impossibility to perform will be dealt with as a case of non-performance under Art. 97 CO.
2. Clausula Rebus Sic Stantibus: Where the original situation and balance of interests underlying the contract has changed in an unforeseen way and to such an extent that a performance of a certain obligation has become unbearable for the debtor and the insistence on such performance by the creditor would create an abusive imbalance between the two performances, a debtor may be excused from his/her duty to perform. The requirements of the Clausula Rebus are more stringent than the doctrine of hardship under English law and require the debtor to first request a re-negotiation of the contract and, in case the creditor refuses, to enforce a contract modification before the courts. The Clausula Rebus does not give the debtor a direct right to refuse performance.
11 Thus, where parties to a contract want to create exceptions to the duty to perform certain obligations in case of Force Majeure events or hardship, they must provide for relevant provisions in their contract and pay particular attention to the definition of such concepts and their consequences.
12 In summary, all types of breaches of any type of contractual duty, whether arising out of the contract or of the law, qualify as "non-performance" under Art. 97 CO irrespective of the reason for such non-performance. Carve-outs to such a broad definition of non-performance are possible but must be provided for by the parties in their contract and are subject to certain statutory limitations (see below Art. 100 CO).
B. A Damage
13 The definition of damage under Swiss law is very broad and encompasses any involuntary decrease of one party's assets, which may take the form of an actual reduction in the net worth of its assets or an increase in liabilities. This decrease in assets or increase in liabilities is measured as the difference between the status of assets and liabilities which would have existed without the breach compared to their status with the breach (so-called 'difference theory'; Differenztheorie).
14 Thus, although the definition of damage is rather broad, it focuses on damages of a financial nature. Other types of harm which do not transcribe into a clear monetary value, such as moral prejudice, reputational damage or a loss of opportunity, generally do not qualify as damages under Swiss law and may thus not be compensated.
According to the general rule on the burden of proof (Art. 8 Civil Code and Art. 42 CO), it is up to the party alleging a damage to prove (i) the existence of such damage, as well as (ii) its scope (i.e. quantification).
15 In this regard, Swiss law shows the following particular features:
1. As a general rule, under Swiss law all types of damages are compensable, as long as they fall under the above definition of damage. In particular, Swiss law does not limit the compensable character of a damage based on its categorization as direct or indirect, or as consequential damage. These types of damages also fall under the general definition of damage, and their compensable character will depend on whether they show an adequate causal nexus to the breach in order to be compensable (see below Section 2.3).
2. The actual damage constitutes the ceiling of potential compensation. In other words, the amount of compensation due may not exceed the actual value of the damage incurred.
Art. 97 CO also does not prevent parties from contractually limiting the type of damages or from setting an amount of damages lower than or different from the actual damage incurred (so-called 'agreed sums' or 'liquidated damages'). However, this constitutes a limitation of the standard liability regime established by Art. 97 CO and is thus subject to the restrictions provided in Art. 100 CO, which will be dealt with below.
3. The fact that the definition of damage is broad does not mean that a party can ask for all sorts of damages at the same time. Under Art. 97 CO, a general distinction is drawn between the so-called 'positive damage' or 'performance interest' (positives Vertragsinteresse, Erfüllungsinteresse / dommage positif) and the 'negative damage' or 'reliance interest' (negatives Vertragsinteresse, Nichterfüllungsinteresse / dommage négatif).
The performance interest represents the full value of the contract being properly performed. Here, the compensation aims at putting the creditor in the situation he/she would have been, had the contract been fully and properly performed. The damage is thus the difference between the status of the creditor's assets and liability in the breach scenario compared to what such status would have been had the contract been properly performed. This includes most importantly lost profit (lucrum cessans), but it may also comprise any costs which the creditor incurs due to the improper performance (damnum emergens), such as additional storage costs for goods, inspection costs, repair costs, destruction costs, costs of a product recall, penalties or damages due by the creditor to its own clients in relation to late deliveries, etc.
BSK-Wiegand, Art. 97 CO N. 38a; BK-Emmenegger, Art. 97 CO N. 288 f.; Gauch/Schluep/Emmenegger, N. 2898; BGer 4A_651/2015 dated 19.4.2016 consid. 4.1. The reliance interest represents the actual costs and losses arising out of the improperly performed contract. Here, the compensation aims at putting the creditor in the situation he/she would have been, had the contract never been concluded. The damage is thus the difference between the status of the creditor under the breach scenario compared to its status prior to the conclusion of the contract.
BK-Emmenegger, Art. 97 CO N. 291 f.; Gauch/Schluep/Emmenegger, N. 2899; Schwenzer/Fountoulakis, N. 14.31; BGer 4A_251/2010 dated 12.8.2010 consid. 2; BGE 113 II 25 consid. 2.
Under Swiss law, it is not possible to claim both the performance and the reliance interest; the creditor may only claim one of these two types of damages. As long as the contract remains in place, the creditor may only request the performance interest. Where the creditor decides to terminate the contract, he may then only claim the reliance interest (Art. 107-109 CO).
C. A Causal Nexus
16 Whereas certain legal systems require a damage to be "foreseeable", or differentiate between direct and indirect or consequential damages, Swiss law refers to the concept of "causal nexus" (Kausalzusammenhang / lien de causalité). For a damage to be subject to a duty to compensate, the breach and the damage claims must be in a 'cause and effect' relationship, which is assessed from two separate angles:
1. There must be a natural causal nexus (natürlicher Kausalzusammenhang / lien de causalité naturelle): the concerned behavior, which constitutes the breach of contract, must be the conditio sine qua non of the damage. In other words, without the breach, no damage would have occurred.
Example: A pharmaceutical company used an incorrect ingredient while manufacturing a medicine. As a result, patients got sick and the seller had to recall the medicine as well as indemnify its distributors and the patients. Had the manufacturer used the right ingredient, the patient would not have become sick and no recall or indemnification would have been necessary.
2. This natural causal nexus must also be adequate (adäquater Kausalzusammenhang / lien de causalité adequate): This means that in addition to being the natural cause of the damage, "the breaching behaviour must have been, according to the ordinary course of things and the experience of life, capable of bringing about an effect of the kind that has occurred, so that the likelihood of occurrence of this result would appear to have been generally increased by the breaching behaviour".
Example: According to common knowledge and experience, it was to be expected that the use of the wrong ingredient in the medicine would cause patients to get sick, and thus require a product recall.
Where the breaching behaviour consists of an omission, the test of causality must be adapted. The relevant question is then whether, according to the ordinary course of things and the experience of life, the damaging result could have been avoided had the concerned party acted out the required behavior (so-called 'hypothetical causal nexus').
D. A Fault
17 In order to trigger a liability for damages under Art. 97 CO, a breach of contract alone is not enough. The breach must be the result of a faulty behavior by the debtor. However, Art. 97 CO establishes a presumption of fault. In other words, the creditor must only prove that a breach has occurred. This breach is then presumed to be the result of a faulty behavior and it is up to the debtor to show that no fault was attributable to him/her when committing the breach (so-called 'proof of exculpation', Exkulpationsbeweis / Preuve exculpatoire).
18 This is a major difference compared to the standard of liability for international sales contracts under the CISG, where fault is not a requirement of liability for breach of contract.
19 The concept of fault is then further addressed by Art. 99 CO.
Bibliography
Acocella Domenico, Kommentierung zu Art. 38 SchKG, in: Staehelin Daniel/Bauer Thomas/Lorandi Franco (eds.), Basler Kommentar, Bundesgesetz über Schuldbetreibung und Konkurs, 3rd Ed., Basel 2021.
Brunner Christoph, UN-Kaufrecht – CISG, Kommentar zum Übereinkommen der Vereinten Nationen über Verträge über den internationalen Warenkauf von 1980, Bern 2004.
Emmenegger Susan, Kommentierung zu Art. 97 OR in: Weber Rolf/Emmenegger Susan (eds.), Berner Kommentar, Obligationenrecht Allgemeine Bestimmungen, Die Folgen der Nichterfüllung, Art. 97-109 OR, 2nd Ed., Bern 2020.
Gauch Peter/Schluep Walter/Emmenegger Susan, OR AT, Schweizerisches Obligationenrecht Allgemeiner Teil, Band II, 11th Ed., Zurich et al. 2020.
Gauch Peter/Schluep Walter/Schmid Jörg, OR AT, Schweizerisches Obligationenrecht Allgemeiner Teil, Band I, 11th Ed., Zurich et al. 2020.
Huguenin Claire, Obligationenrecht, Allgemeiner und Besonderer Teil, 3rd Ed., Zurich et al. 2019.
Mohs Florian, Kommentierung zu Art. 61 CISG, in: Schwenger Ingeborg/Schroeter Ulrich G (eds.), Kommentar zum UN-Kaufrecht, CISG, 7th Ed., Munich 2019.
Müller-Chen Markus, Kommentierung zu Art. 45 CISG, in: Schwenger Ingeborg/Schroeter Ulrich G (eds.), Kommentar zum UN-Kaufrecht, CISG, 7th Ed., Munich 2019.
Schmid Jörg, Vertragsrecht und Realerfüllung, in: Pierre Tercier/Amstutz Marc/Koller Alfred/Schmid Jörg/Stöckli Hubert (eds.), Gauchs Welt, Recht, Vertragsrecht und Baurecht, Festschrift für Peter Gauch zum 65. Geburtstag, Zürich 2004, pp. 589-604.
Schwenzer Ingeborg/Fountoulakis Christiana, Schweizerisches Obligationenrecht Allgemeiner Teil, 8th Ed., Bern 2020.
Weber Rolf/Emmenegger Susan, Berner Kommentar, Obligationenrecht Allgemeine Bestimmungen, Die Folgen der Nichterfüllung, Art. 97-109 OR, 2nd Ed., Bern 2020.
Wiegand Wolfgang, Kommentierung zu Art. 18 OR, in: Widmer Lüchinger Corinne//Oser David (eds.), Basler Kommentar, Obligationenrecht I, 7th Ed., Basel 2020.
Wiegand Wolfgang, Kommentierung zu Art. 97 OR, in: Widmer Lüchinger Corinne/Oser David (eds.), Basler Kommentar, Obligationenrecht I, 7th Ed., Basel 2020.
Wiegand Wolfgang, Kommentierung Einleitung zu Art. 97–109 OR, in: Widmer Lüchinger Corinne/Oser David (eds.), Basler Kommentar, Obligationenrecht I, 7th Ed., Basel 2020.